#20939: Remove pexpect-Maxima usage in Y(m,n)
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Reporter: rws | Type: enhancement
Status: new | Priority: major
Milestone: sage-7.3 | Component: symbolics
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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The eval function of `SphericalHarmonic` uses pexpect-Maxima:
{{{
if n in ZZ and m in ZZ and n > -1:
if abs(m) > n:
return ZZ(0)
return maxima("spherical_harmonic({},{},{},{})".format(
ZZ(n), ZZ(m), maxima(theta), maxima(phi))).sage()
}}}
This should be replaced by `maxima_lib` or something different without
Maxima.
Part of #17753.
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Ticket URL: <https://trac.sagemath.org/ticket/20939>
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