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- Title
A parameterized extended shift‐splitting preconditioner for nonsymmetric saddle point problems.
- Authors
Vakili, Seryas; Ebadi, Ghodrat; Vuik, Cornelis
- Abstract
In this article, a parameterized extended shift‐splitting (PESS) method and its induced preconditioner are given for solving nonsingular and nonsymmetric saddle point problems with nonsymmetric positive definite (1,1) part. The convergence analysis of the PESS$$ PESS $$ iteration method is discussed. The distribution of eigenvalues of the preconditioned matrix is provided. A number of experiments are given to verify the efficiency of the PESS$$ PESS $$ method for solving nonsymmetric saddle‐point problems.
- Subjects
SADDLERY; EIGENVALUES; HAIR conditioners; MATRICES (Mathematics); HERMITIAN forms
- Publication
Numerical Linear Algebra with Applications, 2023, Vol 30, Issue 4, p1
- ISSN
1070-5325
- Publication type
Article
- DOI
10.1002/nla.2478