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maple code int(g*f, x=-infinity..infinity)

when $g$ is $\large exp^{i*t*x}$, Fourier transform between density function and characteristic function

If $g$ are $x^t$, $|x^{t}|$, $t^{x}$, what do they use for? When to use them?

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1 Answer 1

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The first two kernels are related to Mellin transforms, while the last may be expressed in terms of a Laplace transform, assuming the reality of $x$ and $t$.

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