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On hybrid preconditioning methods for large sparse saddle-point problems - MaRDI portal

On hybrid preconditioning methods for large sparse saddle-point problems (Q2431153)

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On hybrid preconditioning methods for large sparse saddle-point problems
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    On hybrid preconditioning methods for large sparse saddle-point problems (English)
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    11 April 2011
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    The author designs a class of hybrid preconditioning methods for accelerating the MINRES method for solving saddle-point problems. He analyzes several practical hybrid preconditioners and constructs the corresponding preconditioning iterative methods.
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    saddle-point problem
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    block symmetric Gauss-Seidel iteration
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    matrix preconditioning
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    eigenvalue clustering
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    minimal residual method
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    MINRES method
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