Traceback (most recent call last):
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\texmanager.py", line 250, in _run_checked_subprocess
    report = subprocess.check_output(
             ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\subprocess.py", line 466, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\subprocess.py", line 548, in run
    with Popen(*popenargs, **kwargs) as process:
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\subprocess.py", line 1026, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "C:\Program Files\Python312\Lib\subprocess.py", line 1538, in _execute_child
    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [WinError 2] 指定されたファイルが見つかりません。

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

Traceback (most recent call last):
  File "E:\______\tex_demo.py", line 34, in <module>
    plt.savefig('tex_demo')
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\pyplot.py", line 1119, in savefig
    res = fig.savefig(*args, **kwargs)  # type: ignore[func-returns-value]
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\figure.py", line 3390, in savefig
    self.canvas.print_figure(fname, **kwargs)
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backend_bases.py", line 2193, in print_figure
    result = print_method(
             ^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backend_bases.py", line 2043, in <lambda>
    print_method = functools.wraps(meth)(lambda *args, **kwargs: meth(
                                                                 ^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 497, in print_png
    self._print_pil(filename_or_obj, "png", pil_kwargs, metadata)
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 445, in _print_pil
    FigureCanvasAgg.draw(self)
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 388, in draw
    self.figure.draw(self.renderer)
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\artist.py", line 95, in draw_wrapper
    result = draw(artist, renderer, *args, **kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\figure.py", line 3154, in draw
    mimage._draw_list_compositing_images(
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\image.py", line 132, in _draw_list_compositing_images
    a.draw(renderer)
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\artist.py", line 72, in draw_wrapper
    return draw(artist, renderer)
           ^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\axes\_base.py", line 3034, in draw
    self._update_title_position(renderer)
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\axes\_base.py", line 2978, in _update_title_position
    ax.yaxis.get_tightbbox(renderer)  # update offsetText
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\axis.py", line 1336, in get_tightbbox
    self._update_label_position(renderer)
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\axis.py", line 2609, in _update_label_position
    bboxes, bboxes2 = self._get_tick_boxes_siblings(renderer=renderer)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\axis.py", line 2161, in _get_tick_boxes_siblings
    tlb, tlb2 = axis._get_ticklabel_bboxes(ticks_to_draw, renderer)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\axis.py", line 1315, in _get_ticklabel_bboxes
    return ([tick.label1.get_window_extent(renderer)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 956, in get_window_extent
    bbox, info, descent = self._get_layout(self._renderer)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 373, in _get_layout
    _, lp_h, lp_d = _get_text_metrics_with_cache(
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 69, in _get_text_metrics_with_cache
    return _get_text_metrics_with_cache_impl(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\text.py", line 77, in _get_text_metrics_with_cache_impl
    return renderer_ref().get_text_width_height_descent(text, fontprop, ismath)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 213, in get_text_width_height_descent
    return super().get_text_width_height_descent(s, prop, ismath)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\backend_bases.py", line 652, in get_text_width_height_descent
    return self.get_texmanager().get_text_width_height_descent(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\texmanager.py", line 363, in get_text_width_height_descent
    dvifile = cls.make_dvi(tex, fontsize)
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\texmanager.py", line 295, in make_dvi
    cls._run_checked_subprocess(
  File "C:\Program Files\Python312\Lib\site-packages\matplotlib\texmanager.py", line 254, in _run_checked_subprocess
    raise RuntimeError(
RuntimeError: Failed to process string with tex because latex could not be found