#16813: symbolic Legendre / associated Legendre functions / polynomials
-------------------------------------+-------------------------------------
Reporter: rws | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.6
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: Ralf Stephan, | Reviewers:
Stefan Reiterer | Work issues:
Report Upstream: N/A | Commit:
Branch: | 9df78de81e0c307a1181a6ad4453bc56a93870b2
u/rws/symbolic_legendre___associated_legendre_functions___polynomials|
Stopgaps:
Dependencies: |
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Comment (by mmezzarobba):
I find it surprising that:
{{{
sage: legendre_Q(0, x)
1/2*log(x + 1) - 1/2*log(-x + 1)
sage: legendre_Q(0, pi)
1/2*log(pi + 1) - 1/2*log(-pi + 1)
}}}
but:
{{{
sage: legendre_Q(0, 2)
legendre_Q(0, 2)
}}}
and even:
{{{
sage: legendre_Q(0, SR(2))
legendre_Q(0, 2)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/16813#comment:59>
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