gave a detailed mathematical analysis of that overshoot, coining the term "Gibbs phenomenon" and bringing it into widespread use.

After the existence of Henry Wilbraham's paper became widely known, in 1925 Horatio Scott Carslaw remarked, "We may still call this property of Fourier's series (and certain other series) Gibbs's phenomenon; but we must no longer claim that the property was first discovered by Gibbs."

Explanation

Informally,

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