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About Fourier Transforms

Off the Playground.

If you want to learn more about the Fourier Transform, I highly recommend the following resources.

1

Jezzamon Interactive Introduction

Reading time: About 12 minutes

An interactive introduction to the 1D and 2D Fourier Transform.

https://www.jezzamon.com/fourier/

2

BetterExplained Interactive Guide

Reading time: About 20 minutes

An intuitive build up to the formula behind the 1D Fourier Transform. Background knowledge on Euler's formula and complex numbers would be helpful.

https://betterexplained.com/articles/an-interactive-guide-to-the-fourier-transform/

3

3Blue1Brown Video

Viewing time: About 20 minutes

A beautiful visual introduction on the Fourier Transform by 3Blue1Brown.

https://www.youtube.com/watch?v=spUNpyF58BY

3Blue1Brown Lesson

Reading time: About 25 minutes

You can also view this video in article form in this lesson.

https://www.3blue1brown.com/lessons/fourier-transforms

4

Wikipedia Reference

Reading time: a while*

This Wikipedia article is an in depth reference point for all things Fourier Transform, though it can be intimidating for those new to Fourier Transforms. I suggest exploring the other resources first before diving into the Wikipedia page.

https://en.wikipedia.org/wiki/Fourier_transform

*I haven't made it all the way through this one