Fourier Series Visualisation in SwiftUI

Graph SwiftUI

July 7, 2025

This little app visualises different Fourier series using epicycles and a graph.

The number of functions and the type of series can be changed. The following series are supported:

Square Wave
Saw Tooth
Triangle
Pulse

It builds and runs on iOS and macOS using Catalyst.

I started this little project to familiarise myself a bit more with SwiftUI and its drawing APIs. It is not meant to be perfect SwiftUI and I am sure there are probably better ways of doing things. Any feedback is appreciated!

GitHub

View Github

#chart #graph

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