On Oct 1, 4:21 pm, pragma <[EMAIL PROTECTED]> wrote:
> ive tried this but it doesnt seem to do the job:
>
> class c_arccos(sage.calculus.calculus.Function_arccos):
>     def __init__(self):
>         pass
>     def _latex_(self):
>         return "\\arccos"
>
> p_arccos = c_arccos()
>
> print latex(p_arccos(1/3))
> print latex(p_arccos)
>
> #############
> #outputs:
> ############
>
> \cos^{-1} \left( \frac{1}{3} \right)
> \arccos
>
> the first line still outputs \cos^{-1} instead ofarccos

This seems to work:

sage: sage.calculus.calculus.Function_arccos._latex_ = lambda self : "\
\arccos"
sage: latex(arccos(1/3))
\arccos \left( \frac{1}{3} \right)

Best,

/Håkan

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