Gibbs phenomenon

3 · John Cook · June 10, 2020, 2:01 p.m.
I realized recently that I’ve written about generalized Gibbs phenomenon, but I haven’t written about its original context of Fourier series. This post will rectify that. The image below comes from a previous post illustrating Gibbs phenomenon for a Chebyshev approximation to a step function. Although Gibbs phenomena comes up in many different kinds of […]...