# Fourier Construction of Regular Polygons and Star Polygons

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Let be the coefficients of a Fourier expansion of a regular polygon with sides. This Demonstration plots the partial sums of the Fourier series as they converge to -gons. The vertices remain slightly rounded as a result of the Gibbs phenomenon.

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Contributed by: Izidor Hafner (January 2016)

Based on work by: Frank F. Farris

Open content licensed under CC BY-NC-SA

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Reference

[1] F. A. Farris, *Creating Symmetry, The Artful Mathematics of Wallpaper Patterns*, Princeton: Princeton University Press, 2015 p. 30.

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