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- Title
Performance Analysis of a Special GPIU Method for Singular Saddle Point Problems.
- Authors
Jae Heon Yun
- Abstract
In this paper, we first provide semi-convergence analysis for a special GPIU(Generalized Parameterized Inexact Uzawa) method with singular preconditioners for solving singular saddle point problems. We next provide a methodology of how to choose nearly quasi-optimal parameters of the special GPIU method. Lastly, numerical experiments are carried out to examine the effectiveness of the special GPIU method with singular preconditioners by comparing its performance with that of other existing iterative methods for solving singular saddle point problems.
- Subjects
MATHEMATICAL singularities; SADDLEPOINT approximations; STOCHASTIC convergence; ITERATIVE methods (Mathematics); INVERSE problems
- Publication
IAENG International Journal of Applied Mathematics, 2017, Vol 47, Issue 3, p325
- ISSN
1992-9978
- Publication type
Article