Symmetric block-SOR methods for rank-deficient least squares problems (Q2480913)

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Symmetric block-SOR methods for rank-deficient least squares problems
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    Symmetric block-SOR methods for rank-deficient least squares problems (English)
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    7 April 2008
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    The symmetric block successive overrelaxation (S-block-SOR) methods for finding the solution of the rank-deficient least squares problems are developed. An S2-block-SOR and an S3-block-SOR method for solving such problems are proposed and the convergence of these two methods is studied. The comparisons between the S2-block and the S3-block methods are presented with some numerical examples.
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    rank-deficient
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    least squares problems
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    symmetric block-SOR methods
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    \(p\)-cyclic
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    convergence
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