On Thu, 30 Oct 2008 20:49:33 -0700 (PDT)
pong <[EMAIL PROTECTED]> wrote:
>
>
> I plot both ln(|x|) and 1/x on the same graph and try to label them by
>
> t1=text('$\frac{1}{x}$', (1,4), fontsize=14, rgbcolor='red');
> t2=text('$\ln(|x|)$', (1,5), fontsize=14)
>
> While SAGE understand perfectly what to do with \ln, it doesn't seem
> to know what to do with \frac:
> it complaints
>
> Traceback (click to the left for traceback)
> ...
> $ rac{1}{x}$ (at char 0), (line:1, col:1)
>
> why? it looks like \f means something...
\f is a formfeed character, see here:
http://www.python.org/doc/2.5.2/ref/strings.html
putting an "r" before the quotes will give you a raw string, as
described at the end of that document. This should work:
t1=text(r'$\frac{1}{x}$', (1,4), fontsize=14, rgbcolor='red')
Cheers,
Burcin
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