Re: [Matplotlib-users] Latex in Figures

[Michael D. <md...@st...>]

Mattias' suggestion is a good one if you have a full TeX environment 
installed.

Otherwise, it looks like you're using some features that are only 
available in 0.91.x (but not earlier versions), for example "\sin".  If 
you can, try upgrading.

Cheers,
Mike

Lorenzo Isella wrote:
> Dear All,
> I think the solution to my problem must be a one-liner, but I have
> been unsuccessful.
> I am trying to use latex formulas (nothing dramatically complicated)
> inside a figure.
> I suppose everything is working correctly on my system.
> I tried running the example at:
> http://www.scipy.org/Cookbook/Matplotlib/UsingTex
> and it works fine.
> But now have a look at this:
>
> #! /usr/bin/env python
>
> import scipy as s
> import numpy as n
> import pylab as p
>
> x=s.linspace(0.,(2.*s.pi),100)
> y=s.sin(x)
>
> z=s.exp(-x)
>
> #Now I create my figure
>
> fig = p.figure()
> axes = fig.gca()
>
> axes.plot(x,y, "bo",label=(r"$sin(\tau)$"))
> axes.plot(x,z,'--r',label=(r"$\rm{decay}exp(\tau) $"),linewidth=2.)
> p.xlabel('This is $\tau$')
> p.ylabel('$N_\infty(\tau)$')
> axes.legend()
> p.title('My test functions')
> p.grid(True)
> p.savefig("simple_test.pdf")
>
> p.clf()
>
> The point of the example figure is to try mixing latex formulas and text.
> Obviously, the result is not satisfactory. If I use \sin for instance,
> then I get an error message as that is not recognized.
> I think the fix to this must be rather simple for someone
> knowledgeable, but so far my attempts to get some decent mixed
> latex/text output have been unsuccessful.
> Can anyone help me with this simple example code?
> Many thanks
>
> Lorenzo
>
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