Matplotlib & LaTeX

Question

I use MikTeX and try to obtain LaTeX fonts in my matplotlib plots.

However, using the demo code, Jyputer Notebook says that there is no latex,

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

I try to add into PATH the path to latex.exe, dvipng.exe and ghostscript. Unfortunately, it still does not work. What I do wrong?

If I evaluate the following

import matplotlib.pyplot as plt import numpy as np plt.plot(np.sin(np.arange(0, 10, 0.1)),label=r"$\mathcal{M}=2$") plt.xlabel("x") plt.ylabel("y") plt.legend()

it returns me the next picture,

So, I see that \mathcal{} command works perfectly, whereas the fonts are not "latex".

Libavi · Accepted Answer · 2020-10-07 08:59:01Z

2

You need to add plt.rc('text', usetex=True).

answered Oct 7, 2020 at 8:59

Libavi

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4 Comments

Artem Alexandrov Over a year ago

As I have mentioned, it does not work. I have added all the variables into the PATH (latex.exe, dvipng.exe & ghostscipt) but matplotlib says that latex could not be found

Libavi Over a year ago

@ArtemAlexandrov Did you try the different troubleshooting steps? Probably none of them will work for you, since it is not even finding latex. For the PATH variable: make sure to add only the path to the directory, without the executable name.

Artem Alexandrov Over a year ago

I will check my PATH variable, thx. Unfortunately, I have not find useful troubleshooting steps in matplotlib documentation. My guess that it can be related to MikTeX but I am not sure

Libavi Over a year ago

Sorry, I forgot to add the link to the troubleshooting: matplotlib.org/3.1.0/tutorials/text/usetex.html#troubleshooting

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