#9706: Symbolic Chebyshev polynomials
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Reporter: maldun | Owner: burcin, maldun
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.13
Component: symbolics | Resolution:
Keywords: orthogonal | Merged in:
polynomials, symbolics | Reviewers: Burcin Erocal, Travis
Authors: Stefan Reiterer | Scrimshaw, Stefan Reiterer, Jeroen
Report Upstream: N/A | Demeyer
Branch: | Work issues:
Dependencies: #864, #9640, | Commit:
#10018, #11868, #15422 | Stopgaps:
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Comment (by maldun):
after some thinking, I guess you are right. A General OrthogonalPolynomial
is sophisticated, but it needs too much tweaking, and too much exception
cathing, which makes the code unsafe.
@ __call__ : I'm not even sure about that, since we check for negative
integers, but some ortho polys get only an analytical expression with non
negative integers, and no algebraic meaning.
I propose the following
* OrthogonalPolynomial: Naming Conventions
* ChebyshevPolynomial: base Class for Cheby_t and Cheby_u (Current
Orthogonal Polynomials)
* LegendrePolynomials
.... etc.
--
Ticket URL: <http://trac.sagemath.org/ticket/9706#comment:118>
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