# Tagged Questions

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### Inverse Laplace transform for (Coth(s),Tanh(s),Sech(s),Csch(s))

InverseLaplaceTransform[Coth[s], s, t] InverseLaplaceTransform[Tanh[s], s, t] InverseLaplaceTransform[Sech[s], s, t] InverseLaplaceTransform[Csch[s], s, t] ...
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### Fourier transform of Exp[x]/x

Could you please explain why Mathematica gives the following expression when taking Fourier transform of $\exp(\lambda z)/\lambda$? $$\frac{-\log(-z)+\log(z)}{\sqrt{2\pi}}$$ Why the answer does not ...
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### InverseFourierTransform very slow

I determined a distribution dist = SmoothKernelDistribution[ListOfValues];. Then I determined the FT of the PDF, which is the ...
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### Mathematica 9 cannot solve this Integral. Mathematica 8 could. Is this a bug?

I was trying to (re)calculate a problem of an older Wolfram blog post (Problem 11457, by M. L. Glasser) with Mathematica 9.0.0.0 (on OS X 10.8.2). ...
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### Convergence conditions of the Laplace Transform [closed]

I have to calculate some Laplace Integrals but if I use LaplaceTransform then it does not give the conditions when the integral converges. Is there an option to get ...
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### Transfer function in recursive form [closed]

To get transfer function in recursive form, I tried this: ...