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On parameterized inexact Uzawa methods for generalized saddle point problems. (English) Zbl 1144.65020
The authors present a development of a parametrized inexact Uzawa algorithm that they introduced in a previous paper, to the class of large sparse generalized saddle point problems. They prove convergence of the extended algorithm and also determine its quasi-optimal iteration parameters and convergence factors.

MSC:
65F10Iterative methods for linear systems
65F50Sparse matrices (numerical linear algebra)
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