The BGS–Uzawa and BJ–Uzawa iterative methods for solving the saddle point problem
Na Huang and
Changfeng Ma
Applied Mathematics and Computation, 2015, vol. 256, issue C, 94-108
Abstract:
In this paper, we propose two new iterative methods for solving the nonsingular saddle point problem based on partitioning the coefficient matrix. One is combining the block Gauss–Seidel iterative method with the Uzawa iterative method, and the other one is combining the block Jacobi iterative method with the Uzawa iterative method. Then we study the convergence of the two novel methods under suitable restrictions on the iteration parameters, respectively. Numerical experiments are also presented to illustrate the behavior of the considered algorithms.
Keywords: Saddle point problem; Block Gauss–Seidel method; Block Jacobi method; Uzawa method; Convergence; Numerical experiments (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (2)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:256:y:2015:i:c:p:94-108
DOI: 10.1016/j.amc.2014.12.156
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