#9706: Symbolic Chebyshev polynomials
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Reporter: maldun | Owner: burcin, maldun
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.13
Component: symbolics | Resolution:
Keywords: orthogonal | Merged in:
polynomials, symbolics | Reviewers: Burcin Erocal, Travis
Authors: Stefan Reiterer, | Scrimshaw, Stefan Reiterer
Travis Scrimshaw | Work issues:
Report Upstream: N/A | Commit:
Branch: | Stopgaps:
Dependencies: |
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Comment (by maldun):
Replying to [comment:95 jdemeyer]:
> One should be able to convert to maxima (otherwise, what's the point of
introducing symbolic Chebyshev polynomials):
> {{{
> sage: var('n,x')
> (n, x)
> sage: maxima( chebyshev_T(n, cos(x)) )
> ...
> TypeError: unable to convert x (=n) to an integer
> }}}
One of the reasons I started this rewriting buisness, was the fact, that
Maxima is very limited in respect to Orthogonal polynomials. And if we
consider advanced use for symbolic methods like 'Creative Telescoping' it
makes perfect sense to allow a non
Maxima conform representation, since Sage symbolic capabilities don't
relie on Maxima allone.
--
Ticket URL: <http://trac.sagemath.org/ticket/9706#comment:97>
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