# Fourier-Series Approximation of a Square Wave

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

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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