Titlebook: Optimization and Optimal Control; Proceedings of a Con Roland Bulirsch,Werner Oettli,Josef Stoer Conference proceedings 1975 Springer-Verla

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Algorithms for rational discrete least squares approximation,larity condition is presented. It is based on an adaptation of projection methods [8], [12], [13], [14], [18], [19] to the modified Gau?-Newton method [4], [10]. A special device makes possible the direct handling of the infinitely many linear constraints present in this problem.