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alanbernstein
on Nov 8, 2022
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What is an eigenvalue?
Complex exponentials are the eigenfunctions of the Fourier transform. In other words, frequency component values are the eigenvalues.
https://en.m.wikipedia.org/wiki/Eigenfunction#Vibrating_stri...
contravariant
on Nov 8, 2022
[–]
That makes no sense, the Fourier transform of a complex exponential is a delta function.
alanbernstein
on Nov 8, 2022
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[–]
Hmm, you're right, that should have been obvious. Thanks for the correction.
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https://en.m.wikipedia.org/wiki/Eigenfunction#Vibrating_stri...