On iterative methods and implicit-factorization preconditioners for regularized saddle-point systems

On iterative methods and implicit-factorization preconditioners for regularized saddle-point systems

We consider conjugate-gradient like methods for solving block symmetric indefinite linear systems that arise from saddle point problems or, in particular, regularizations thereof. Such methods require preconditioners that preserve certain sub-blocks from the original systems but allow considerable f...

書目詳細資料
Main Authors:	Dollar, H, Gould, N, Schilders, W, Wathen, A
格式:	Report
出版:	Unspecified 2005

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