We’ve seen many graphical and animated explainers for the Fourier series. We suppose it is because it is so much fun to create the little moving pictures, and, as a bonus, it really helps exp… ...

The Theory of Functions of a Real Variable and the Theory of Fourier's Series. By Prof. E. W. Hobson. Vol. 1. Third edition, revised throughout and enlarged.

Fourier series are of very great importance in both pure ... It has long been known that the Fourier series corresponding to a continuous function may fail to give the correct values of this ...