Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 1635 by jorn.baayen: Incorrect multiplication of piecewise
functions
http://code.google.com/p/sympy/issues/detail?id=1635
In [35]: t=Symbol('t')
In [36]: f=Piecewise((sqrt(2*pi),abs(t) < 0.5), (0, True))
In [37]: f
Out[37]:
⎧ ⎽⎽⎽ ⎽⎽⎽
⎪╲╱ 2 ⋅╲╱ π for │t│ < 0.5
⎨
⎪ 0 otherwise
⎩
In [38]: f*exp(-I*t)
Out[38]:
⎧ ⎽⎽⎽ ⎽⎽⎽ -ⅈ⋅t
⎪╲╱ 2 ⋅╲╱ π for │t│ < 0.5⋅ℯ
⎨
⎪ 0 otherwise
⎩
I'd expect to see the function value multiplied instead.
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