Block triangular preconditioners for PDE constrained optimization
In this paper we investigate the possibility of using a block triangular preconditioner for saddle point problems arising in PDE constrained optimization. In particular we focus on a conjugate gradient-type method introduced by Bramble and Pasciak which uses self adjointness of the preconditioned sy...
| Những tác giả chính: | , |
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| Định dạng: | Journal article |
| Được phát hành: |
2009
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