#11478: polynomial coeff bug
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Reporter: tdupu | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.1
Component: basic arithmetic | Keywords: polynomial arithmetic
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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{{{
notebook in>
var('a b c d y')
f = 1+x+x^3
g = a+b*y+c*y^2+d*y^3
gg=expand(f(x=g) - y)
[gg.coeff(y^j) for j in range(0,10)]
print gg.coeff(1)
print gg(y=0)
notebook out>
0
a^3 + a + 1
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11478>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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