UPJOKE
frequencyphasefunctionamplitudeunitary operatorconvolutionfourier seriesgroupsine wavexihertzcircle groupheisenberg groupintegralmathematics

Why shouldn't you take the Fourier transform of a square pulse while on a boat?

Because you don't wanna sinc!

A girl I liked was giving me mixed signals

So I calculated Fourier transform.

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