#12931: evaluation of coefficients of polynomials
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Reporter: chapoton | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-5.1
Component: algebra | Keywords: polynomials
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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It seems that substitution inside coefficients of a polynomial forgets to
change the dominant term :
{{{
sage: rng=PolynomialRing(QQ,'q')
sage: q=rng.gen()
sage: x=PolynomialRing(rng,'x').gen()
sage: po=q+(1+q)*x+(1+q+q**2)*x**2+(2+q)*x**3
sage: po(q=1)
(q + 2)*x^3 + 3*x^2 + 2*x + 1
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12931>
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