But what is a convolution?
Discrete convolutions, from probability, to image processing and FFTs.
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Other videos I referenced
Live lecture on image convolutions for the MIT Julia lab
Lecture on Discrete Fourier Transforms
Reducible video on FFTs
Veritasium video on FFTs
These animations are largely made using a custom python library, manim. See the FAQ comments here:
https://www.3blue1brown.com/faq#manim
https://github.com/3b1b/manim
https://github.com/ManimCommunity/manim/
You can find code for specific videos and projects here:
https://github.com/3b1b/videos/
Music by Vincent Rubinetti.
https://www.vincentrubinetti.com/
Download the music on Bandcamp:
https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown
Stream the music on Spotify:
Timestamps
0:00 – Where do convolutions show up?
2:07 – Add two random variables
6:28 – A simple example
7:25 – Moving averages
8:32 – Image processing
13:42 – Measuring runtime
14:40 – Polynomial multiplication
18:10 – The fast algorithm
21:22 – Concluding thoughts
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