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Accurate solution of structured least squares problems via rank-revealing decompositions
ArticleAbstract: Least squares problems minx ||b - Ax||2 where the matrix A ∈ Cm×n (m ≥ n) has some particular structPalabras claves:Accurate solutions, Least squares problems, Moore-Penrose pseudoinverse, Multiplicative perturbation theory, Rank revealing decompositions, Structured matricesAutores:Castro-González N., Dopico F., Johan Ceballos, Molera J.Fuentes:scopusExtended Comparative Study between Newton’s and Steffensen-like Methods with Applications
ArticleAbstract: Comparisons between Newton’s and Steffensen-like methods are given for solving systems of equationsPalabras claves:Banach space, Newton’s method, semi-local convergence, Steffensen-like methodAutores:Argyros C., Argyros I.K., Daniel González, Johan CeballosFuentes:scopus