ROBUST RATIONAL INTERPOLATION AND LEAST-SQUARES

An efficient and robust algorithm and aMatlab code ratdisk are presented for rational interpolation or linearized least-squares approximation of a function based on its values at points equally spaced on a circle. The use of the singular value decomposition enables the detection and elimination of s...

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Hlavní autoři: Gonnet, P, Pachon, R, Trefethen, L
Médium: Journal article
Jazyk:English
Vydáno: 2011