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Chapter 4: Optimal Stopping #

firm_exit.py #

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"""
Firm valuation with exit option.

"""

from quantecon.markov import tauchen
from quantecon import compute_fixed_point

import numpy as np
from collections import namedtuple
from numba import njit


# NamedTuple Model
Model = namedtuple("Model", ("n", "z_vals", "Q", "β", "s"))


def create_exit_model(
        n=200,                  # productivity grid size
        ρ=0.95, μ=0.1, ν=0.1,   # persistence, mean and volatility
        β=0.98, s=100.0         # discount factor and scrap value
    ):
    """
    Creates an instance of the firm exit model.
    """
    mc = tauchen(n, ρ, ν, mu=μ)
    z_vals, Q = mc.state_values, mc.P
    return Model(n=n, z_vals=z_vals, Q=Q, β=β, s=s)


@njit
def no_exit_value(model):
    """Compute value of firm without exit option."""
    n, z_vals, Q, β, s = model
    I = np.identity(n)
    return np.linalg.solve((I - β * Q), z_vals)


@njit
def T(v, model):
    """The Bellman operator Tv = max{s, π + β Q v}."""
    n, z_vals, Q, β, s = model
    h = z_vals + β * np.dot(Q, v)
    return np.maximum(s, h)


@njit
def get_greedy(v, model):
    """Get a v-greedy policy."""
    n, z_vals, Q, β, s = model
    σ = s >= z_vals + β * np.dot(Q, v)
    return σ


def vfi(model):
    """Solve by VFI."""
    v_init = no_exit_value(model)
    v_star = compute_fixed_point(lambda v: T(v, model), v_init, error_tol=1e-6,
                                 max_iter=1000, print_skip=25)
    σ_star = get_greedy(v_star, model)
    return v_star, σ_star


# Plots


import matplotlib.pyplot as plt
import matplotlib.pyplot as plt

plt.rcParams.update({"text.usetex": True, "font.size": 14})


def plot_val(savefig=False,
             figname="figures/firm_exit_1.pdf"):

    fig, ax = plt.subplots(figsize=(9, 5.2))

    model = create_exit_model()
    n, z_vals, Q, β, s = model

    v_star, σ_star = vfi(model)
    h = z_vals + β * np.dot(Q, v_star)

    ax.plot(z_vals, h, "-", linewidth=3, alpha=0.6, label=r"$h^*$")
    ax.plot(z_vals, s * np.ones(n), "-", linewidth=3, alpha=0.6, label=r"$s$")
    ax.plot(z_vals, v_star, "k--", linewidth=1.5, alpha=0.8, label=r"$v^*$")

    ax.legend(frameon=False)
    ax.set_xlabel(r"$z$")

    if savefig:
        fig.savefig(figname)


def plot_comparison(savefig=False,
                    figname="figures/firm_exit_2.pdf"):

    fig, ax = plt.subplots(figsize=(9, 5.2))

    model = create_exit_model()
    n, z_vals, Q, β, s = model

    v_star, σ_star = vfi(model)
    w = no_exit_value(model)

    ax.plot(z_vals, v_star, "k-", linewidth=2, alpha=0.6, label="$v^*$")
    ax.plot(z_vals, w, linewidth=2, alpha=0.6, label="no-exit value")

    ax.legend(frameon=False)
    ax.set_xlabel(r"$z$")

    if savefig:
        fig.savefig(figname)

plot_val()

Iteration    Distance       Elapsed (seconds)
---------------------------------------------

         3.581e-02      7.330e-01         
         1.723e-02      7.338e-01         
         6.768e-03      7.344e-01         
        2.643e-03      7.351e-01         
        1.043e-03      7.357e-01         
        4.139e-04      7.364e-01         
        1.643e-04      7.370e-01         
        6.522e-05      7.376e-01         
        2.589e-05      7.383e-01         
        1.028e-05      7.389e-01         
        4.080e-06      7.396e-01         
        1.619e-06      7.402e-01         
        9.653e-07      7.405e-01         
Converged in 314 steps

Error in callback <function _draw_all_if_interactive at 0x7ff4faa81240> (for post_execute):

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/pyplot.py:120, in _draw_all_if_interactive()
    118 def _draw_all_if_interactive():
    119     if matplotlib.is_interactive():
--> 120         draw_all()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/_pylab_helpers.py:132, in Gcf.draw_all(cls, force)
    130 for manager in cls.get_all_fig_managers():
    131     if force or manager.canvas.figure.stale:
--> 132         manager.canvas.draw_idle()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2082, in FigureCanvasBase.draw_idle(self, *args, **kwargs)
   2080 if not self._is_idle_drawing:
   2081     with self._idle_draw_cntx():
-> 2082         self.draw(*args, **kwargs)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:400, in FigureCanvasAgg.draw(self)
    396 # Acquire a lock on the shared font cache.
    397 with RendererAgg.lock, \
    398      (self.toolbar._wait_cursor_for_draw_cm() if self.toolbar
    399       else nullcontext()):
--> 400     self.figure.draw(self.renderer)
    401     # A GUI class may be need to update a window using this draw, so
    402     # don't forget to call the superclass.
    403     super().draw()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/formatters.py:340, in BaseFormatter.__call__(self, obj)
    338     pass
    339 else:
--> 340     return printer(obj)
    341 # Finally look for special method names
    342 method = get_real_method(obj, self.print_method)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/pylabtools.py:152, in print_figure(fig, fmt, bbox_inches, base64, **kwargs)
    149     from matplotlib.backend_bases import FigureCanvasBase
    150     FigureCanvasBase(fig)
--> 152 fig.canvas.print_figure(bytes_io, **kw)
    153 data = bytes_io.getvalue()
    154 if fmt == 'svg':

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2342, in FigureCanvasBase.print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, pad_inches, bbox_extra_artists, backend, **kwargs)
   2336     renderer = _get_renderer(
   2337         self.figure,
   2338         functools.partial(
   2339             print_method, orientation=orientation)
   2340     )
   2341     with getattr(renderer, "_draw_disabled", nullcontext)():
-> 2342         self.figure.draw(renderer)
   2344 if bbox_inches:
   2345     if bbox_inches == "tight":

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

<Figure size 900x520 with 1 Axes>

plot_comparison()

Iteration    Distance       Elapsed (seconds)
---------------------------------------------
         3.581e-02      6.983e-04         
         1.723e-02      1.122e-03         
         6.768e-03      1.529e-03         
        2.643e-03      1.944e-03         
        1.043e-03      2.344e-03         
        4.139e-04      2.742e-03         
        1.643e-04      3.142e-03         
        6.522e-05      3.540e-03         
        2.589e-05      3.940e-03         
        1.028e-05      4.338e-03         
        4.080e-06      4.752e-03         
        1.619e-06      5.154e-03         
        9.653e-07      5.383e-03         
Converged in 314 steps
Error in callback <function _draw_all_if_interactive at 0x7ff4faa81240> (for post_execute):

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/pyplot.py:120, in _draw_all_if_interactive()
    118 def _draw_all_if_interactive():
    119     if matplotlib.is_interactive():
--> 120         draw_all()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/_pylab_helpers.py:132, in Gcf.draw_all(cls, force)
    130 for manager in cls.get_all_fig_managers():
    131     if force or manager.canvas.figure.stale:
--> 132         manager.canvas.draw_idle()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2082, in FigureCanvasBase.draw_idle(self, *args, **kwargs)
   2080 if not self._is_idle_drawing:
   2081     with self._idle_draw_cntx():
-> 2082         self.draw(*args, **kwargs)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:400, in FigureCanvasAgg.draw(self)
    396 # Acquire a lock on the shared font cache.
    397 with RendererAgg.lock, \
    398      (self.toolbar._wait_cursor_for_draw_cm() if self.toolbar
    399       else nullcontext()):
--> 400     self.figure.draw(self.renderer)
    401     # A GUI class may be need to update a window using this draw, so
    402     # don't forget to call the superclass.
    403     super().draw()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/formatters.py:340, in BaseFormatter.__call__(self, obj)
    338     pass
    339 else:
--> 340     return printer(obj)
    341 # Finally look for special method names
    342 method = get_real_method(obj, self.print_method)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/pylabtools.py:152, in print_figure(fig, fmt, bbox_inches, base64, **kwargs)
    149     from matplotlib.backend_bases import FigureCanvasBase
    150     FigureCanvasBase(fig)
--> 152 fig.canvas.print_figure(bytes_io, **kw)
    153 data = bytes_io.getvalue()
    154 if fmt == 'svg':

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2342, in FigureCanvasBase.print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, pad_inches, bbox_extra_artists, backend, **kwargs)
   2336     renderer = _get_renderer(
   2337         self.figure,
   2338         functools.partial(
   2339             print_method, orientation=orientation)
   2340     )
   2341     with getattr(renderer, "_draw_disabled", nullcontext)():
-> 2342         self.figure.draw(renderer)
   2344 if bbox_inches:
   2345     if bbox_inches == "tight":

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

<Figure size 900x520 with 1 Axes>

american_option.py #

Show code cell source Hide code cell source

"""
Valuation for finite-horizon American call options in discrete time.

"""

from quantecon.markov import tauchen, MarkovChain
from quantecon import compute_fixed_point

import numpy as np
from collections import namedtuple
from numba import njit, prange


# NamedTuple Model
Model = namedtuple("Model", ("t_vals", "z_vals","w_vals", "Q",
                             "φ", "T", "β", "K"))


@njit
def exit_reward(t, i_w, i_z, T, K):
    """Payoff to exercising the option at time t."""
    return (t < T) * (i_z + i_w - K)


def create_american_option_model(
        n=100, μ=10.0,   # Markov state grid size and mean value
        ρ=0.98, ν=0.2,   # persistence and volatility for Markov state
        s=0.3,           # volatility parameter for W_t
        r=0.01,          # interest rate
        K=10.0, T=200):  # strike price and expiration date
    """
    Creates an instance of the option model with log S_t = Z_t + W_t.
    """
    t_vals = np.arange(T+1)
    mc = tauchen(n, ρ, ν)
    z_vals, Q = mc.state_values + μ, mc.P
    w_vals, φ, β = np.array([-s, s]), np.array([0.5, 0.5]), 1 / (1 + r)
    return Model(t_vals=t_vals, z_vals=z_vals, w_vals=w_vals, Q=Q,
                φ=φ, T=T, β=β, K=K)


@njit(parallel=True)
def C(h, model):
    """The continuation value operator."""
    t_vals, z_vals, w_vals, Q, φ, T, β, K = model
    Ch = np.empty_like(h)
    z_idx, w_idx = np.arange(len(z_vals)), np.arange(len(w_vals))
    for i in prange(len(t_vals)):
        t = t_vals[i]
        for i_z in prange(len(z_vals)):
            out = 0.0
            for i_w_1 in prange(len(w_vals)):
                for i_z_1 in prange(len(z_vals)):
                    t_1 = min(t + 1, T)
                    out += max(exit_reward(t_1, w_vals[i_w_1], z_vals[i_z_1], T, K),
                                h[t_1, i_z_1]) * Q[i_z, i_z_1] * φ[i_w_1]
            Ch[t, i_z] = β * out

    return Ch


def compute_cvf(model):
    """
    Compute the continuation value function by successive approx.
    """
    h_init = np.zeros((len(model.t_vals), len(model.z_vals)))
    h_star = compute_fixed_point(lambda h: C(h, model), h_init,
                                 error_tol=1e-6, max_iter=1000,
                                 print_skip=25)
    return h_star


# Plots


import matplotlib.pyplot as plt
import matplotlib.pyplot as plt

plt.rcParams.update({"text.usetex": True, "font.size": 14})


def plot_contours(savefig=False,
                  figname="figures/american_option_1.pdf"):

    model = create_american_option_model()
    t_vals, z_vals, w_vals, Q, φ, T, β, K = model
    h_star = compute_cvf(model)
    fig, axes = plt.subplots(3, 1, figsize=(7, 11))
    z_idx, w_idx = np.arange(len(z_vals)), np.arange(len(w_vals))
    H = np.zeros((len(w_vals), len(z_vals)))
    for (ax_index, t) in zip(range(3), (1, 195, 198)):

        ax = axes[ax_index]
        for i_w in prange(len(w_vals)):
            for i_z in prange(len(z_vals)):
                H[i_w, i_z] = exit_reward(t, w_vals[i_w], z_vals[i_z], T,
                                          K) - h_star[t, i_z]

        cs1 = ax.contourf(w_vals, z_vals, np.transpose(H), alpha=0.5)
        ctr1 = ax.contour(w_vals, z_vals, np.transpose(H), levels=[0.0])
        plt.clabel(ctr1, inline=1, fontsize=13)
        plt.colorbar(cs1, ax=ax)

        ax.set_title(f"$t={t}$")
        ax.set_xlabel(r"$w$")
        ax.set_ylabel(r"$z$")

    fig.tight_layout()
    if savefig:
        fig.savefig(figname)


def plot_strike(savefig=False,
                fontsize=9,
                figname="figures/american_option_2.pdf"):
    model = create_american_option_model()
    t_vals, z_vals, w_vals, Q, φ, T, β, K = model
    h_star = compute_cvf(model)

    # Built Markov chains for simulation
    z_mc = MarkovChain(Q, z_vals)
    P_φ = np.zeros((len(w_vals), len(w_vals)))
    for i in range(len(w_vals)):  # Build IID chain
        P_φ[i, :] = φ
    w_mc = MarkovChain(P_φ, w_vals)
    y_min = np.min(z_vals) + np.min(w_vals)
    y_max = np.max(z_vals) + np.max(w_vals)
    fig, axes = plt.subplots(3, 1, figsize=(7, 12))

    for ax in axes:

        # Generate price series
        z_draws = z_mc.simulate_indices(T, init=int(len(z_vals) / 2 - 10))
        w_draws = w_mc.simulate_indices(T)
        s_vals = z_vals[z_draws] + w_vals[w_draws]

        # Find the exercise date, if any.
        exercise_date = T + 1
        for t in range(T):
            k = exit_reward(t, w_vals[w_draws[t]], z_vals[z_draws[t]], T, K) - \
                    h_star[w_draws[t], z_draws[t]]
            if k >= 0:
                exercise_date = t

        if exercise_date >= T:
            print("Warning: Option not exercised.")

        # Plot
        ax.set_ylim(y_min, y_max)
        ax.set_xlim(0, T+1)
        ax.fill_between(range(T), np.ones(T) * K, np.ones(T) * y_max, alpha=0.2)
        ax.plot(range(T), s_vals, label=r"$S_t$")
        ax.plot((exercise_date,), (s_vals[exercise_date]), "ko")
        ax.vlines((exercise_date,), 0, (s_vals[exercise_date]), ls="--", colors="black")
        ax.legend(loc="upper left", fontsize=fontsize)
        ax.text(-10, 11, "in the money", fontsize=fontsize, rotation=90)
        ax.text(-10, 7.2, "out of the money", fontsize=fontsize, rotation=90)
        ax.text(exercise_date-20, 6,
                "exercise date", fontsize=fontsize)
        ax.set_xticks((1, T))
        ax.set_yticks((y_min, y_max))

    if savefig:
        fig.savefig(figname)

plot_contours()

Iteration    Distance       Elapsed (seconds)
---------------------------------------------

         6.682e-03      1.528e+00         
         3.997e-03      1.604e+00         
         2.923e-03      1.679e+00         

        1.960e-03      1.757e+00         
        1.242e-03      1.832e+00         
        7.739e-04      1.908e+00         

175          4.811e-04      1.985e+00         
200          0.000e+00      2.061e+00         
Converged in 200 steps

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
Cell In[5], line 1
----> 1 plot_contours()

Cell In[4], line 101, in plot_contours(savefig, figname)
     99 cs1 = ax.contourf(w_vals, z_vals, np.transpose(H), alpha=0.5)
    100 ctr1 = ax.contour(w_vals, z_vals, np.transpose(H), levels=[0.0])
--> 101 plt.clabel(ctr1, inline=1, fontsize=13)
    102 plt.colorbar(cs1, ax=ax)
    104 ax.set_title(f"$t={t}$")

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/pyplot.py:2508, in clabel(CS, levels, **kwargs)
   2506 @_copy_docstring_and_deprecators(Axes.clabel)
   2507 def clabel(CS, levels=None, **kwargs):
-> 2508     return gca().clabel(CS, levels=levels, **kwargs)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_axes.py:6489, in Axes.clabel(self, CS, levels, **kwargs)
   6471 def clabel(self, CS, levels=None, **kwargs):
   6472     """
   6473     Label a contour plot.
   6474 
   (...)
   6487         All other parameters are documented in `~.ContourLabeler.clabel`.
   6488     """
-> 6489     return CS.clabel(levels, **kwargs)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/contour.py:231, in ContourLabeler.clabel(self, levels, fontsize, inline, inline_spacing, fmt, colors, use_clabeltext, manual, rightside_up, zorder)
    225     mpl._blocking_input.blocking_input_loop(
    226         self.axes.figure, ["button_press_event", "key_press_event"],
    227         timeout=-1, handler=functools.partial(
    228             _contour_labeler_event_handler,
    229             self, inline, inline_spacing))
    230 else:
--> 231     self.labels(inline, inline_spacing)
    233 return cbook.silent_list('text.Text', self.labelTexts)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/contour.py:528, in ContourLabeler.labels(self, inline, inline_spacing)
    526 con = self.collections[icon]
    527 trans = con.get_transform()
--> 528 lw = self._get_nth_label_width(idx)
    529 additions = []
    530 paths = con.get_paths()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/contour.py:269, in ContourLabeler._get_nth_label_width(self, nth)
    264 fig = self.axes.figure
    265 renderer = fig._get_renderer()
    266 return (Text(0, 0,
    267              self.get_text(self.labelLevelList[nth], self.labelFmt),
    268              figure=fig, fontproperties=self._label_font_props)
--> 269         .get_window_extent(renderer).width)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

Error in callback <function _draw_all_if_interactive at 0x7ff4faa81240> (for post_execute):

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/pyplot.py:120, in _draw_all_if_interactive()
    118 def _draw_all_if_interactive():
    119     if matplotlib.is_interactive():
--> 120         draw_all()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/_pylab_helpers.py:132, in Gcf.draw_all(cls, force)
    130 for manager in cls.get_all_fig_managers():
    131     if force or manager.canvas.figure.stale:
--> 132         manager.canvas.draw_idle()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2082, in FigureCanvasBase.draw_idle(self, *args, **kwargs)
   2080 if not self._is_idle_drawing:
   2081     with self._idle_draw_cntx():
-> 2082         self.draw(*args, **kwargs)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:400, in FigureCanvasAgg.draw(self)
    396 # Acquire a lock on the shared font cache.
    397 with RendererAgg.lock, \
    398      (self.toolbar._wait_cursor_for_draw_cm() if self.toolbar
    399       else nullcontext()):
--> 400     self.figure.draw(self.renderer)
    401     # A GUI class may be need to update a window using this draw, so
    402     # don't forget to call the superclass.
    403     super().draw()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/formatters.py:340, in BaseFormatter.__call__(self, obj)
    338     pass
    339 else:
--> 340     return printer(obj)
    341 # Finally look for special method names
    342 method = get_real_method(obj, self.print_method)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/pylabtools.py:152, in print_figure(fig, fmt, bbox_inches, base64, **kwargs)
    149     from matplotlib.backend_bases import FigureCanvasBase
    150     FigureCanvasBase(fig)
--> 152 fig.canvas.print_figure(bytes_io, **kw)
    153 data = bytes_io.getvalue()
    154 if fmt == 'svg':

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2342, in FigureCanvasBase.print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, pad_inches, bbox_extra_artists, backend, **kwargs)
   2336     renderer = _get_renderer(
   2337         self.figure,
   2338         functools.partial(
   2339             print_method, orientation=orientation)
   2340     )
   2341     with getattr(renderer, "_draw_disabled", nullcontext)():
-> 2342         self.figure.draw(renderer)
   2344 if bbox_inches:
   2345     if bbox_inches == "tight":

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

<Figure size 700x1100 with 3 Axes>

plot_strike()

Iteration    Distance       Elapsed (seconds)
---------------------------------------------
25           6.682e-03      8.105e-02         
50           3.997e-03      1.599e-01         

         2.923e-03      2.400e-01         
        1.960e-03      3.195e-01         
        1.242e-03      3.982e-01         

        7.739e-04      4.789e-01         
        4.811e-04      5.580e-01         
        0.000e+00      6.415e-01         
Converged in 200 steps

Error in callback <function _draw_all_if_interactive at 0x7ff4faa81240> (for post_execute):

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/pyplot.py:120, in _draw_all_if_interactive()
    118 def _draw_all_if_interactive():
    119     if matplotlib.is_interactive():
--> 120         draw_all()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/_pylab_helpers.py:132, in Gcf.draw_all(cls, force)
    130 for manager in cls.get_all_fig_managers():
    131     if force or manager.canvas.figure.stale:
--> 132         manager.canvas.draw_idle()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2082, in FigureCanvasBase.draw_idle(self, *args, **kwargs)
   2080 if not self._is_idle_drawing:
   2081     with self._idle_draw_cntx():
-> 2082         self.draw(*args, **kwargs)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:400, in FigureCanvasAgg.draw(self)
    396 # Acquire a lock on the shared font cache.
    397 with RendererAgg.lock, \
    398      (self.toolbar._wait_cursor_for_draw_cm() if self.toolbar
    399       else nullcontext()):
--> 400     self.figure.draw(self.renderer)
    401     # A GUI class may be need to update a window using this draw, so
    402     # don't forget to call the superclass.
    403     super().draw()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:255, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    254 try:
--> 255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:421, in check_output(timeout, *popenargs, **kwargs)
    419     kwargs['input'] = empty
--> 421 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
    422            **kwargs).stdout

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:503, in run(input, capture_output, timeout, check, *popenargs, **kwargs)
    501     kwargs['stderr'] = PIPE
--> 503 with Popen(*popenargs, **kwargs) as process:
    504     try:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:971, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize)
    968             self.stderr = io.TextIOWrapper(self.stderr,
    969                     encoding=encoding, errors=errors)
--> 971     self._execute_child(args, executable, preexec_fn, close_fds,
    972                         pass_fds, cwd, env,
    973                         startupinfo, creationflags, shell,
    974                         p2cread, p2cwrite,
    975                         c2pread, c2pwrite,
    976                         errread, errwrite,
    977                         restore_signals,
    978                         gid, gids, uid, umask,
    979                         start_new_session)
    980 except:
    981     # Cleanup if the child failed starting.

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/subprocess.py:1863, in Popen._execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, restore_signals, gid, gids, uid, umask, start_new_session)
   1862         err_msg = os.strerror(errno_num)
-> 1863     raise child_exception_type(errno_num, err_msg, err_filename)
   1864 raise child_exception_type(err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'latex'

The above exception was the direct cause of the following exception:

RuntimeError                              Traceback (most recent call last)
File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/formatters.py:340, in BaseFormatter.__call__(self, obj)
    338     pass
    339 else:
--> 340     return printer(obj)
    341 # Finally look for special method names
    342 method = get_real_method(obj, self.print_method)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/IPython/core/pylabtools.py:152, in print_figure(fig, fmt, bbox_inches, base64, **kwargs)
    149     from matplotlib.backend_bases import FigureCanvasBase
    150     FigureCanvasBase(fig)
--> 152 fig.canvas.print_figure(bytes_io, **kw)
    153 data = bytes_io.getvalue()
    154 if fmt == 'svg':

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:2342, in FigureCanvasBase.print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, pad_inches, bbox_extra_artists, backend, **kwargs)
   2336     renderer = _get_renderer(
   2337         self.figure,
   2338         functools.partial(
   2339             print_method, orientation=orientation)
   2340     )
   2341     with getattr(renderer, "_draw_disabled", nullcontext)():
-> 2342         self.figure.draw(renderer)
   2344 if bbox_inches:
   2345     if bbox_inches == "tight":

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:95, in _finalize_rasterization.<locals>.draw_wrapper(artist, renderer, *args, **kwargs)
     93 @wraps(draw)
     94 def draw_wrapper(artist, renderer, *args, **kwargs):
---> 95     result = draw(artist, renderer, *args, **kwargs)
     96     if renderer._rasterizing:
     97         renderer.stop_rasterizing()

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/figure.py:3140, in Figure.draw(self, renderer)
   3137         # ValueError can occur when resizing a window.
   3139 self.patch.draw(renderer)
-> 3140 mimage._draw_list_compositing_images(
   3141     renderer, self, artists, self.suppressComposite)
   3143 for sfig in self.subfigs:
   3144     sfig.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axes/_base.py:3064, in _AxesBase.draw(self, renderer)
   3061 if artists_rasterized:
   3062     _draw_rasterized(self.figure, artists_rasterized, renderer)
-> 3064 mimage._draw_list_compositing_images(
   3065     renderer, self, artists, self.figure.suppressComposite)
   3067 renderer.close_group('axes')
   3068 self.stale = False

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/image.py:131, in _draw_list_compositing_images(renderer, parent, artists, suppress_composite)
    129 if not_composite or not has_images:
    130     for a in artists:
--> 131         a.draw(renderer)
    132 else:
    133     # Composite any adjacent images together
    134     image_group = []

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/artist.py:72, in allow_rasterization.<locals>.draw_wrapper(artist, renderer)
     69     if artist.get_agg_filter() is not None:
     70         renderer.start_filter()
---> 72     return draw(artist, renderer)
     73 finally:
     74     if artist.get_agg_filter() is not None:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1377, in Axis.draw(self, renderer, *args, **kwargs)
   1374 renderer.open_group(__name__, gid=self.get_gid())
   1376 ticks_to_draw = self._update_ticks()
-> 1377 tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer)
   1379 for tick in ticks_to_draw:
   1380     tick.draw(renderer)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in Axis._get_ticklabel_bboxes(self, ticks, renderer)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/axis.py:1304, in <listcomp>(.0)
   1302 if renderer is None:
   1303     renderer = self.figure._get_renderer()
-> 1304 return ([tick.label1.get_window_extent(renderer)
   1305          for tick in ticks if tick.label1.get_visible()],
   1306         [tick.label2.get_window_extent(renderer)
   1307          for tick in ticks if tick.label2.get_visible()])

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:959, in Text.get_window_extent(self, renderer, dpi)
    954     raise RuntimeError(
    955         "Cannot get window extent of text w/o renderer. You likely "
    956         "want to call 'figure.draw_without_rendering()' first.")
    958 with cbook._setattr_cm(self.figure, dpi=dpi):
--> 959     bbox, info, descent = self._get_layout(self._renderer)
    960     x, y = self.get_unitless_position()
    961     x, y = self.get_transform().transform((x, y))

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:378, in Text._get_layout(self, renderer)
    375 ys = []
    377 # Full vertical extent of font, including ascenders and descenders:
--> 378 _, lp_h, lp_d = _get_text_metrics_with_cache(
    379     renderer, "lp", self._fontproperties,
    380     ismath="TeX" if self.get_usetex() else False, dpi=self.figure.dpi)
    381 min_dy = (lp_h - lp_d) * self._linespacing
    383 for i, line in enumerate(lines):

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:97, in _get_text_metrics_with_cache(renderer, text, fontprop, ismath, dpi)
     94 """Call ``renderer.get_text_width_height_descent``, caching the results."""
     95 # Cached based on a copy of fontprop so that later in-place mutations of
     96 # the passed-in argument do not mess up the cache.
---> 97 return _get_text_metrics_with_cache_impl(
     98     weakref.ref(renderer), text, fontprop.copy(), ismath, dpi)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/text.py:105, in _get_text_metrics_with_cache_impl(renderer_ref, text, fontprop, ismath, dpi)
    101 @functools.lru_cache(4096)
    102 def _get_text_metrics_with_cache_impl(
    103         renderer_ref, text, fontprop, ismath, dpi):
    104     # dpi is unused, but participates in cache invalidation (via the renderer).
--> 105     return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backends/backend_agg.py:226, in RendererAgg.get_text_width_height_descent(self, s, prop, ismath)
    224 _api.check_in_list(["TeX", True, False], ismath=ismath)
    225 if ismath == "TeX":
--> 226     return super().get_text_width_height_descent(s, prop, ismath)
    228 if ismath:
    229     ox, oy, width, height, descent, font_image = \
    230         self.mathtext_parser.parse(s, self.dpi, prop)

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/backend_bases.py:645, in RendererBase.get_text_width_height_descent(self, s, prop, ismath)
    641 fontsize = prop.get_size_in_points()
    643 if ismath == 'TeX':
    644     # todo: handle properties
--> 645     return self.get_texmanager().get_text_width_height_descent(
    646         s, fontsize, renderer=self)
    648 dpi = self.points_to_pixels(72)
    649 if ismath:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:368, in TexManager.get_text_width_height_descent(cls, tex, fontsize, renderer)
    366 if tex.strip() == '':
    367     return 0, 0, 0
--> 368 dvifile = cls.make_dvi(tex, fontsize)
    369 dpi_fraction = renderer.points_to_pixels(1.) if renderer else 1
    370 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi:

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:300, in TexManager.make_dvi(cls, tex, fontsize)
    298     with TemporaryDirectory(dir=cwd) as tmpdir:
    299         tmppath = Path(tmpdir)
--> 300         cls._run_checked_subprocess(
    301             ["latex", "-interaction=nonstopmode", "--halt-on-error",
    302              f"--output-directory={tmppath.name}",
    303              f"{texfile.name}"], tex, cwd=cwd)
    304         (tmppath / Path(dvifile).name).replace(dvifile)
    305 return dvifile

File /usr/share/miniconda3/envs/dse2023/lib/python3.10/site-packages/matplotlib/texmanager.py:259, in TexManager._run_checked_subprocess(cls, command, tex, cwd)
    255     report = subprocess.check_output(
    256         command, cwd=cwd if cwd is not None else cls.texcache,
    257         stderr=subprocess.STDOUT)
    258 except FileNotFoundError as exc:
--> 259     raise RuntimeError(
    260         'Failed to process string with tex because {} could not be '
    261         'found'.format(command[0])) from exc
    262 except subprocess.CalledProcessError as exc:
    263     raise RuntimeError(
    264         '{prog} was not able to process the following string:\n'
    265         '{tex!r}\n\n'
   (...)
    272             exc=exc.output.decode('utf-8', 'backslashreplace'))
    273         ) from None

RuntimeError: Failed to process string with tex because latex could not be found

<Figure size 700x1200 with 3 Axes>