#20454: conversion from SR[] to SR
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Reporter: rws | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-7.2
Component: symbolics | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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Even if there are identical generator and variable names there should not
be a problem to convert from a univariate polynomial with symbolic
coefficients to a symbolic expression, but:
{{{
sage: S.<y> = PolynomialRing(SR)
sage: p = y^2 + pi*y + 1
sage: p.coefficients()
[1, pi, 1]
sage: ex = SR(p)
...
TypeError: not a constant polynomial
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/20454>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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