Sage + Latex - How to change a font for axes label?

asked 2013-06-09 07:09:43 +0200

spok
31 ●1 ●1 ●7

updated 2013-06-09 07:19:15 +0200

I use Sage and LaTeX and when I do this:

\begin{sagesilent}
  p2 = list_plot(zip(H, f(5)), True, color='blue', axes_labels=[u'$H,$ ??',u'$\mu, c$'])
  p2.fontsize(14)
\end{sagesilent}

and run sage DIPLOM.sagetex.sage I get this:

/usr/lib/sagemath/local/lib/python2.7/site-packages/matplotlib/mathtext.py:887: MathTextWarning: Font 'default' does not have a glyph for '\u043a' [U43a]
  MathTextWarning)

So how can I change a font name to use not only latin symbols?

PS: Even here these symbols are displayed as "??". Can't this site handle unicode?

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answered 2013-06-09 09:33:09 +0200

Volker Braun
3281 ●11 ●30 ●75

If you want help you should always paste a working example. Here are some untested (untestable) tips:

With http://trac.sagemath.org/14664 you might want to try plot(..., typeset='latex').

Apart from that, you can change matplotlib defaults:

from matplotlib import rc, rcParams
rc('text',usetex=True)
rc('font',**{'family':'serif','serif':['Computer Modern']})

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Thanks! I could find something that helped me.

spok ( 2013-06-09 18:53:47 +0200 )edit

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answered 2013-06-09 18:55:13 +0200

spok
31 ●1 ●1 ●7

One can change font family and sizes in a following way:

### rcParams are the default parameters for matplotlib
import matplotlib as mpl
mpl.rcParams['font.size'] = 10.
mpl.rcParams['font.family'] = 'Comic Sans MS'
mpl.rcParams['axes.labelsize'] = 8.
mpl.rcParams['xtick.labelsize'] = 6.
mpl.rcParams['ytick.labelsize'] = 6.

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