# Fourier-Series Approximation of a Square Wave

Initializing live version

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

A square wave with amplitude 1 and wavelength can be approximated by the Fourier expansion

[more]
Contributed by: Erik Mahieu (April 2016)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

Snapshots 1 through 5 show the progressive approximations of the square wave using one through five bars of the linkage.

## Permanent Citation