But what is a Fourier series? From heat flow to drawing with circles | DE4
3Blue1Brown · 4 則 HN 推薦
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3Blue1Brown introduces Fourier series, from the heat equation to drawing arbitrary shapes with rotating circles. It builds a visual intuition for decomposing functions into sine waves.
HN 推薦的原因： Recommended as the visual explanation that makes Fourier series and transforms click, even for laypeople.
“Helped click that there is a perfect visual analogy to the deconstruction of complex audio to sine waves.” 閱讀 HN 討論 ↗