Re: [Matplotlib-users] using subscripts and tex in labels

[Gökhan S. <gok...@gm...>]

On Sun, Jan 31, 2010 at 4:21 PM, per freem <per...@gm...> wrote:

> hi all,
>
> two quick questions about labels. first, is there a way to make
> subscripts/superscripts *without* using TeX in labels? For example, I
> use helvetica in all my labels and I want to plot something like:
> plt.xlabel("log10") where "10" is a subscript of "log", but without
> doing: plt.xlabel(r"$\log_{10}$"), since that will use LaTeX fonts
> instead of my helvetica font.
>

Unicode strings might be the answer for this. Though needs someone's
confirmation.


>
> second question, when using TeX, I tried the following TeX command in
> labels:
> plt.annotate(r"\frac{\sigma}{\sqrt{\mu}}", ....) but it complains that
> "not all arguments converted during string formatting" -- but it seems
> like correct TeX to me. if I try r"\frac{1}{2}" then it works, but
> using \sigma and \sqrt inside breaks it.. any idea how to fix this?
>

Have you forgotten "$" ? The following works correctly in my system.

plt.xlabel(r"$\frac{\sigma}{\sqrt{\mu}}$")


>
> thanks.
>
>
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-- 
Gökhan