#7748: Make incomplete gamma function symbolic
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Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: minor | Milestone: sage-4.3.1
Component: symbolics | Keywords:
Work_issues: | Author:
Upstream: N/A | Reviewer:
Merged: |
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Comment(by kcrisman):
Replying to [comment:1 burcin]:
> After a quick look at the GiNaC sources, I don't think there is an
implementation of the incomplete gamma function in there.
>
Okay.
> Numerical evaluation of this can be done with the `gammainc()` function
of mpmath.
But will it give us symbolic evaluation ala gamma_inc(1,1)=1/e? That
would be best.
> The conversion should just work, if the conversions dictionary argument
of `BuiltinFunction.__init__` contains `maxima='gamma_incomplete'`.
Yes, of course, but we still have to do it :)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7748#comment:2>
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