Using constraint preconditioners with regularized saddle-point problems
The problem of finding good preconditioners for the numerical solution of a certain important class of indefinite linear systems is considered. These systems are of a 2 by 2 block (KKT) structure in which the (2,2) block (denoted by -C) is assumed to be nonzero. In Constraint preconditioning for ind...
Asıl Yazarlar: | Dollar, H, Gould, N, Schilders, W, Wathen, A |
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Materyal Türü: | Journal article |
Dil: | English |
Baskı/Yayın Bilgisi: |
2007
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