https://pinboard.in/u:lokijuhz/public/ recent bookmarks from lokijuhz 2023-02-04T10:46:53+00:00 https://news.ycombinator.com/item?id=34439828 lokijuhzmath books reddit https://pinboard.in/u:lokijuhz/b:5f6ff8091591/ 2023-01-15T13:50:44+00:00 https://blog.revolutionanalytics.com/2014/01/the-fourier-transform-explained-in-one-sentence.html lokijuhzIf, like me, you struggled to understand the Fourier Transformation when you first learned about it, this succinct one-sentence colour-coded explanation from Stuart Riffle probably comes several years too late: Stuart provides a more detailed explanation here. This is the formula for the Discrete Fourier Transform, which converts sampled signals (like a digital sound recording) into the frequency domain (what tones are represented in the sound, and at what energies?). 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