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...
المؤلفون الرئيسيون: | , |
---|---|
التنسيق: | Journal article |
منشور في: |
2009
|