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A.J. VAN DER POORTEN, A NOTE ON HADAMARD ROOTS OF RATIONAL FUNCTIONS, The Rocky Mountain Journal of Mathematics, Vol. 26, No. 3 (SUMMER 1996), pp. 1183-1197 ...
Polynomial interpolation to analytic functions can be very accurate, depending on the distribution of the interpolation nodes. However, in equispaced nodes and the like, besides being badly ...