Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 1317 by johann.cohentanugi: Wild/match does not discard x
correctly
http://code.google.com/p/sympy/issues/detail?id=1317
r = eq.match(a*f(x).diff(x,x) + b*diff(f(x),x) + c*f(x))
a = Wild('a', exclude=[x])
b = Wild('b', exclude=[x])
c = Wild('c', exclude=[x])
eq.match(a*f(x).diff(x,x) + b*diff(f(x),x) + c*f(x))
⎧ 2 ⎫
⎨a: 1, b: ─, c: 1⎬
⎩ x ⎭
b should not be set to 2/x so happily.
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