this post was submitted on 20 Aug 2024
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Science Memes

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133
mfw you're trying to take the Fourier Transform of a distribution (mander.xyz)
submitted 4 weeks ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[–] owenfromcanada@lemmy.world 23 points 4 weeks ago

[–] NeatNit@discuss.tchncs.de 3 points 4 weeks ago (1 children)

I don't get it, and the world's quickest and last comprehensive DDG search didn't find an explanation either.

[–] kogasa@programming.dev 5 points 4 weeks ago

It's a reach, but the Fourier transformation of a Schwarz (rapidly decaying) function is also a Schwarz function. Compact support is a strictly stronger condition than Schwarz (the function must eventually decay to 0) but doesn't have this nice property with respect to Fourier transforms, i.e. the FT of a compactly supported function is Schwarz but not necessarily compactly supported

[–] someacnt_@lemmy.world 2 points 4 weeks ago

Too technical of a meme