#9706: Symbolic Chebyshev polynomials
-------------------------------------+-------------------------------------
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:93 jdemeyer]:
> This is totally meaningless (this should be a `ValueError`):
> {{{
> sage: chebyshev_U(1.5, Mod(8,9))
> 63.8753125671848
> }}}
Indeed, but it's not my fault. It appears, that the BuiltinFunction calls
the _eval_numpy_ method. E.g.
{{{
sage: csc(Mod(8,9))
1.01075621840010
}}}
makes no sense either but works. Maybe we should open a ticket on this?
--
Ticket URL: <http://trac.sagemath.org/ticket/9706#comment:96>
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