#16697: implement symbolic lower incomplete gamma function
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Reporter: rws | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: symbolics | Resolution:
Keywords: gamma, | Merged in:
incomplete, special, functions | Reviewers:
Authors: Ralf Stephan | Work issues:
Report Upstream: N/A | Commit:
Branch: | f8fcbc25f545e412f6c1cf18d58e7f50f4e44cb3
public/ticket/16697 | Stopgaps:
Dependencies: #17130 |
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Comment (by kcrisman):
> > {{{
> > sage: hypergeometric([1],[b],x).simplify_hypergeometric()
> > }}}
> `(b - 1)*x^(-b + 1)*e^x*gamma_inc_lower(b - 1, x)`
Nice.
> > Could we add the `gamma(a,0,x)` interface for the lower gamma?
''Should'' we?
> A separate ticket, please?
Seems quite reasonable. Do you agree this would be a useful addition? I
only mention it because it seems that at least a couple 'competitors'
support it, so presumably it is somewhat of a standard and not a surprise
if Sage implements it.
--
Ticket URL: <http://trac.sagemath.org/ticket/16697#comment:37>
Sage <http://www.sagemath.org>
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