#14896: Implement symbolic confluent hypergeometric functions
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Reporter: eviatarbach | Owner: burcin
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-6.3
Component: symbolics | Resolution:
Keywords: hypergeometric | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/rws/ticket/14896 | b87c57b409b7d9df972ec88b7f0500e3ce51c89e
Dependencies: #2516 | Stopgaps:
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Comment (by kcrisman):
> > {{{
> > (b - 1)*x^(-b + 1)*e^x*gamma_greek(b - 1, x)
> > }}}
> > Of course that should be `gamma`.
> I'm not so sure: according to the maxima documentation:
>
> - gamma - gamma function (complete)
> - gamma_greek - lower incomplete gamma function
> - gamma_incomplete - upper incomplete gamma function
Good catch.
> in sage, gamma(a,z) is documented to be the upper gamma function, which
gets translated appropriately. We might not have a lower gamma function
yet.
Maybe we can make it by gamma - upper incomplete?
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Ticket URL: <http://trac.sagemath.org/ticket/14896#comment:16>
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