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- W2081371634 abstract "We give an overview of fast algorithms for solving least squares problems with Toeplitz structure, based on generalization of the classical Schur algorithm, and discuss their stability properties. In order to obtain more accurate triangular factors of a Toeplitz matrix as well as accurate solutions for the least squares problems, methods based on corrected seminormal equations (CSNE) can be used. We show that the applicability of the generalized Schur algorithm is considerably enhanced when the algorithm is used in conjunction with CSNE. Several numerical tests are reported, where different variants of the generalized Schur algorithm and CSNE are compared for their accuracy and speed." @default.
- W2081371634 created "2016-06-24" @default.
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- W2081371634 date "2000-01-01" @default.
- W2081371634 modified "2023-09-27" @default.
- W2081371634 title "Schur-Type Methods for Solving Least Squares Problems with Toeplitz Structure" @default.
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- W2081371634 doi "https://doi.org/10.1137/s1064827598347423" @default.
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