#12123: Bug in convolution
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Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.8
Component: calculus | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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{{{
sage: x = PolynomialRing(QQ,'x').gen()
sage: f = Piecewise([[(-2, 2), 2 * x^0]])
sage: g = Piecewise([[(0, 2), 3/4 * x^0]])
sage: n = f.convolution(g)
sage: n
Piecewise defined function with 3 parts, [[(-2, 0), 3/2*x + 3], [(0, 2),
6], [(2, 4), -3/2*x + 6]]
}}}
But the middle piece should be 3, not 6, apparently.
See the original report at [http://ask.sagemath.org/question/965
/convolution-got-the-wrong-result this ask.sagemath.org question].
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12123>
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