[HN Gopher] Understanding the FFT Algorithm (2013)
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       Understanding the FFT Algorithm (2013)
        
       Author : peter_d_sherman
       Score  : 42 points
       Date   : 2026-04-15 02:29 UTC (3 days ago)
        
 (HTM) web link (jakevdp.github.io)
 (TXT) w3m dump (jakevdp.github.io)
        
       | medbar wrote:
       | For anyone interested and with 30 minutes to spare, I would
       | recommend the youtube video [1] by Reducible for an intuition on
       | how FFT works.
       | 
       | [1]: https://youtu.be/h7apO7q16V0
        
       | vscode-rest wrote:
       | A bit of a stretch, but does anyone have a good way of running an
       | FFT on a pcap?
        
       | seam_carver wrote:
       | If anyone is interested, I made a video about my favorite
       | application of the 2D discrete Fourier transform, where it's used
       | to erase rainbows on manga screen tones on color eink Kaleido 3
       | on Kobo Colour: https://youtu.be/Dw2HTJCGMhw?si=hlhwHv0qB6SoMha9
        
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       (page generated 2026-04-18 23:00 UTC)