But what is the Fourier Transform? A visual introduction.

An animated introduction to the Fourier Transform, winding graphs around circles.
Supported by viewers: https://www.patreon.com/3blue1brown
Special thanks to these Patrons: http://3b1b.co/fourier-thanks

Follow-on video about the uncertainty principle: https://youtu.be/MBnnXbOM5S4

Puzzler at the end by Jane Street: https://janestreet.com/3b1b

Music by Vincent Rubinetti:
https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown

------------------

3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe, and click the bell to receive notifications (if you're into that).

If you are new to this channel and want to see more, a good place to start is this playlist: http://3b1b.co/recommended

Various social media stuffs:
Website: https://www.3blue1brown.com
Twitter: https://twitter.com/3Blue1Brown
Patreon: https://patreon.com/3blue1brown
Facebook: https://www.facebook.com/3blue1brown
Reddit: https://www.reddit.com/r/3Blue1Brown