Chebyshev approximation
( go to the article → https://www.johndcook.com/blog/2020/03/11/chebyshevapproximation/ )
In the previous post I mentioned that Remez algorithm computes the best polynomial approximation to a given function f as measured by the maximum norm. That is, for a given n, it finds the polynomial p of order n that minimizes the absolute error  f – p ∞. The Mathematica function MiniMaxApproximation minimizes the relative […]
March 11, 2020, 12:25 p.m.
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