matplotlibrc和latex包设置

Question

如何在python中设置latex包选项？你知道吗

我正在尝试设置siunitx。我不知道如何设置选项。这也直接适用于matplotlibrc。 以下操作不起作用。你知道吗

import matplotlib as mpl

mpl.rc('text', usetex=True)
mpl.rcParams['text.latex.preamble'] = '\usepackage[range-units = single,range-phrase={-}]{siunitx}'
## using the following instead of the previous line works...
# mpl.rcParams['text.latex.preamble'] = '\usepackage[range-units = single]{siunitx},\sisetup{range-phrase={-}}'

import numpy as np
import matplotlib.pyplot as plt

x=np.linspace(1,100,1)
y=x
fig=plt.figure()
ax=fig.add_subplot(111)
ax.plot(x,y,label=r'\SIrange{0}{1}{\metre\per\second}')
ax.legend(loc=0)

既然代码段是有效的，我建议使用逗号。我试过\,或','，但运气不好。我在Mac电脑上用jupyter notebook试了一下。
在默认的matplotlibrc中

#text.latex.preamble :      ## IMPROPER USE OF THIS FEATURE WILL LEAD TO LATEX FAILURES
                            ## AND IS THEREFORE UNSUPPORTED. PLEASE DO NOT ASK FOR HELP
                            ## IF THIS FEATURE DOES NOT DO WHAT YOU EXPECT IT TO.
                            ## preamble is a comma separated list of LaTeX statements
                            ## that are included in the LaTeX document preamble.
                            ## An example:
                            ## text.latex.preamble : \usepackage{bm},\usepackage{euler}
                            ## The following packages are always loaded with usetex, so
                            ## beware of package collisions: color, geometry, graphicx,
                            ## type1cm, textcomp. Adobe Postscript (PSSNFS) font packages
                            ## may also be loaded, depending on your font settings 

不幸的是，除了在注释中指定的内容外，我找不到任何关于正确使用此选项的信息。。。你知道吗

有什么想法吗？你知道吗

Answer 1

我希望将前导字符串括在一个列表中会有所帮助。你知道吗

mpl.rcParams['text.latex.preamble'] = ['\usepackage[range-units=single,range-phrase={-}]{siunitx}']