#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 jdemeyer):
Also, you should never simply `print` stuff. Either delete those prints or
use a [http://docs.python.org/2/library/warnings.html#available-functions
Python warning] or get rid of `mpmath` altogether (since it doesn't seem
to work well anyway:
{{{
sage: chebyshev_T(10^6,RealField(256)(2))
Warning: mpmath returns NoConvergence!
Switching to clenshaw_method, but it may not be stable!
1.764019427245793968639371137094247875315949668035854027376792158135922267593e571947
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/9706#comment:90>
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