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

I would like to fix this error please assign me this error

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

In the code follows : https://github.com/maziarraissi/PINNs/blob/master/appendix/continuous_time_identification%20(Burgers)/Burgers.py#L224-L288

` ###################################################################### ############################# Plotting ############################### ######################################################################

fig, ax = newfig(1.0, 1.4)
ax.axis('off')

####### Row 0: u(t,x) ##################    
gs0 = gridspec.GridSpec(1, 2)
gs0.update(top=1-0.06, bottom=1-1.0/3.0+0.06, left=0.15, right=0.85, wspace=0)
ax = plt.subplot(gs0[:, :])

h = ax.imshow(U_pred.T, interpolation='nearest', cmap='rainbow', 
              extent=[t.min(), t.max(), x.min(), x.max()], 
              origin='lower', aspect='auto')
divider = make_axes_locatable(ax)
cax = divider.append_axes("right", size="5%", pad=0.05)
fig.colorbar(h, cax=cax)

ax.plot(X_u_train[:,1], X_u_train[:,0], 'kx', label = 'Data (%d points)' % (u_train.shape[0]), markersize = 2, clip_on = False)

line = np.linspace(x.min(), x.max(), 2)[:,None]
ax.plot(t[25]*np.ones((2,1)), line, 'w-', linewidth = 1)
ax.plot(t[50]*np.ones((2,1)), line, 'w-', linewidth = 1)
ax.plot(t[75]*np.ones((2,1)), line, 'w-', linewidth = 1)

ax.set_xlabel('$t$')
ax.set_ylabel('$x$')
ax.legend(loc='upper center', bbox_to_anchor=(1.0, -0.125), ncol=5, frameon=False)
ax.set_title('$u(t,x)$', fontsize = 10)

####### Row 1: u(t,x) slices ##################    
gs1 = gridspec.GridSpec(1, 3)
gs1.update(top=1-1.0/3.0-0.1, bottom=1.0-2.0/3.0, left=0.1, right=0.9, wspace=0.5)

ax = plt.subplot(gs1[0, 0])
ax.plot(x,Exact[25,:], 'b-', linewidth = 2, label = 'Exact')       
ax.plot(x,U_pred[25,:], 'r--', linewidth = 2, label = 'Prediction')
ax.set_xlabel('$x$')
ax.set_ylabel('$u(t,x)$')    
ax.set_title('$t = 0.25$', fontsize = 10)
ax.axis('square')
ax.set_xlim([-1.1,1.1])
ax.set_ylim([-1.1,1.1])

ax = plt.subplot(gs1[0, 1])
ax.plot(x,Exact[50,:], 'b-', linewidth = 2, label = 'Exact')       
ax.plot(x,U_pred[50,:], 'r--', linewidth = 2, label = 'Prediction')
ax.set_xlabel('$x$')
ax.set_ylabel('$u(t,x)$')
ax.axis('square')
ax.set_xlim([-1.1,1.1])
ax.set_ylim([-1.1,1.1])
ax.set_title('$t = 0.50$', fontsize = 10)
ax.legend(loc='upper center', bbox_to_anchor=(0.5, -0.35), ncol=5, frameon=False)

ax = plt.subplot(gs1[0, 2])
ax.plot(x,Exact[75,:], 'b-', linewidth = 2, label = 'Exact')       
ax.plot(x,U_pred[75,:], 'r--', linewidth = 2, label = 'Prediction')
ax.set_xlabel('$x$')
ax.set_ylabel('$u(t,x)$')
ax.axis('square')
ax.set_xlim([-1.1,1.1])
ax.set_ylim([-1.1,1.1])    
ax.set_title('$t = 0.75$', fontsize = 10)
`

I am getting the error :

`Text(0.5, 1.0, '$t = 0.75$')

FileNotFoundError Traceback (most recent call last) ~\anaconda3\envs\xyz\lib\site-packages\matplotlib\texmanager.py in _run_checked_subprocess(self, command, tex) 276 cwd=self.texcache, --> 277 stderr=subprocess.STDOUT) 278 except FileNotFoundError as exc:

~\anaconda3\envs\xyz\lib\subprocess.py in check_output(timeout, *popenargs, *kwargs) 355 return run(popenargs, stdout=PIPE, timeout=timeout, check=True, --> 356 **kwargs).stdout 357

~\anaconda3\envs\xyz\lib\subprocess.py in run(input, timeout, check, *popenargs, *kwargs) 422 --> 423 with Popen(popenargs, **kwargs) as process: 424 try:

~\anaconda3\envs\xyz\lib\subprocess.py in 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, encoding, errors) 728 errread, errwrite, --> 729 restore_signals, start_new_session) 730 except:

~\anaconda3\envs\xyz\lib\subprocess.py in _execute_child(self, args, executable, preexec_fn, close_fds, pass_fds, cwd, env, startupinfo, creationflags, shell, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite, unused_restore_signals, unused_start_new_session) 1016 os.fspath(cwd) if cwd is not None else None, -> 1017 startupinfo) 1018 finally:

FileNotFoundError: [WinError 2] The system cannot find the file specified

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

RuntimeError Traceback (most recent call last) ~\anaconda3\envs\xyz\lib\site-packages\IPython\core\formatters.py in call(self, obj) 339 pass 340 else: --> 341 return printer(obj) 342 # Finally look for special method names 343 method = get_real_method(obj, self.print_method)

~\anaconda3\envs\xyz\lib\site-packages\IPython\core\pylabtools.py in (fig) 246 247 if 'png' in formats: --> 248 png_formatter.for_type(Figure, lambda fig: print_figure(fig, 'png', kwargs)) 249 if 'retina' in formats or 'png2x' in formats: 250 png_formatter.for_type(Figure, lambda fig: retina_figure(fig, kwargs))

~\anaconda3\envs\xyz\lib\site-packages\IPython\core\pylabtools.py in print_figure(fig, fmt, bbox_inches, kwargs) 130 FigureCanvasBase(fig) 131 --> 132 fig.canvas.print_figure(bytes_io, kw) 133 data = bytes_io.getvalue() 134 if fmt == 'svg':

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\backend_bases.py in print_figure(self, filename, dpi, facecolor, edgecolor, orientation, format, bbox_inches, pad_inches, bbox_extra_artists, backend, **kwargs) 2191 else suppress()) 2192 with ctx: -> 2193 self.figure.draw(renderer) 2194 2195 bbox_inches = self.figure.get_tightbbox(

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\artist.py in draw_wrapper(artist, renderer, *args, *kwargs) 39 renderer.start_filter() 40 ---> 41 return draw(artist, renderer, args, **kwargs) 42 finally: 43 if artist.get_agg_filter() is not None:

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\figure.py in draw(self, renderer) 1862 self.patch.draw(renderer) 1863 mimage._draw_list_compositing_images( -> 1864 renderer, self, artists, self.suppressComposite) 1865 1866 renderer.close_group('figure')

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\image.py 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

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\cbook\deprecation.py in wrapper(inner_args, inner_kwargs) 409 else deprecation_addendum, 410 kwargs) --> 411 return func(inner_args, **inner_kwargs) 412 413 return wrapper

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\axes_base.py in draw(self, renderer, inframe) 2705 artists.remove(spine) 2706 -> 2707 self._update_title_position(renderer) 2708 2709 if not self.axison or inframe:

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\axes_base.py in _update_title_position(self, renderer) 2646 _log.debug('top of axes not in the figure, so title not moved') 2647 return -> 2648 if title.get_windowextent(renderer).ymin < top: 2649 , y = self.transAxes.inverted().transform((0, top)) 2650 title.set_position((x, y))

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\text.py in get_window_extent(self, renderer, dpi) 900 901 with cbook._setattr_cm(self.figure, dpi=dpi): --> 902 bbox, info, descent = self._get_layout(self._renderer) 903 x, y = self.get_unitless_position() 904 x, y = self.get_transform().transform((x, y))

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\text.py in _getlayout(self, renderer) 287 , lp_h, lp_d = renderer.get_text_width_height_descent( 288 "lp", self._fontproperties, --> 289 ismath="TeX" if self.get_usetex() else False) 290 min_dy = (lp_h - lp_d) * self._linespacing 291

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\backends\backend_agg.py in get_text_width_height_descent(self, s, prop, ismath) 226 fontsize = prop.get_size_in_points() 227 w, h, d = texmanager.get_text_width_height_descent( --> 228 s, fontsize, renderer=self) 229 return w, h, d 230

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\texmanager.py in get_text_width_height_descent(self, tex, fontsize, renderer) 421 else: 422 # use dviread. --> 423 dvifile = self.make_dvi(tex, fontsize) 424 with dviread.Dvi(dvifile, 72 * dpi_fraction) as dvi: 425 page, = dvi

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\texmanager.py in make_dvi(self, tex, fontsize) 309 self._run_checked_subprocess( 310 ["latex", "-interaction=nonstopmode", "--halt-on-error", --> 311 texfile], tex) 312 for fname in glob.glob(basefile + '*'): 313 if not fname.endswith(('dvi', 'tex')):

~\anaconda3\envs\xyz\lib\site-packages\matplotlib\texmanager.py in _run_checked_subprocess(self, command, tex) 279 raise RuntimeError( 280 'Failed to process string with tex because {} could not be ' --> 281 'found'.format(command[0])) from exc 282 except subprocess.CalledProcessError as exc: 283 raise RuntimeError(

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

<Figure size 539.643x466.925 with 5 Axes>`

This error can be fixed by changing the code of Utilities : https://github.com/maziarraissi/PINNs/tree/master/Utilities

maziarraissi / PINNs

Failed to process string with tex because latex could not be found #47

`Text(0.5, 1.0, '$t = 0.75$')