MiniMaxApproximation

MiniMaxApproximation[expr,{x,{x0,x1},m,n}]
finds the rational polynomial function of x, with numerator order m and denominator order n, that gives a mini-max approximation to expr on the interval to .

MiniMaxApproximation[expr,approx,{x,{x0,x1},m,n}]
finds the mini-max approximation to expr, starting the iterative algorithm with approx.

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