Chebyshev polynomials are so powerful and versatile (in approximation) that people think it is a too-good-to-be-true scam and do not use them. One’s first go t

Chebyshev polynomials are so powerful and versatile (in approximation) that people think it is a too-good-to-be-true scam and do not use them. One’s first go to method should be Chebyshev. Neural nets used as a last resort.