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Questions related to the calculus and analysis branches of Mathematica, including, but not limited to, limits, derivatives, integrals, series, and residues.

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The fourier transform of a seemingly simple function gives me a complicated result: (I imaginary unit) FourierTransform[Exp[I c t/Abs[k]], k, x, Assumptions -> Element[c, Reals]] gives me a long ex …
asked Nov 4 '16 by Wouter
3
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As pointed out by @march in a comment, instead of Abs[k] I should have used Sqrt[k^2], which is analytical and thus the only analytical continuation of absolute value to non-real numbers.* The result …
answered Nov 9 '16 by Wouter