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The determination of the Chebyshev approximating polynomial for a differentiable function
generality, to be the interval -1 < x < 1, there exists a unique polynomial Pn *(x) of given maximum degree n, which is such that the maximum of I f(x)- P.*(x) I over-I < x < ? is less than the maximum of if(x) - P.(x) I over-i < …