Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 4138 by [email protected]: Fourrier transform of exponential
and Closed Integrals
https://code.google.com/p/sympy/issues/detail?id=4138
Hi,
when i do:
gaussian = E** (- abs(x)) /2
fourier_transform(gaussian, x, k)
I get:
1/(4*pi**2 * k**2 + 1)
which is what I expected.
However, when I try to find the Fourier transform from the actual Fourier
equation:
expr = E**(-2*pi*I*k*x) * E** (- abs(x)) /2
exp.expand().integrate(x)
it returns:
'Integral(exp(-I*k*x)*exp(-Abs(x))/2, x)'
Which is right but I would expect sympy to have found the simplified from:
1/(4*pi**2 * k**2 + 1)
Is it me who don't use sympy properly?
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