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A parameterized block LU preconditioning for double saddle point problems
Hamed Aslani, Mehdi Najafi Kalyani, Davod Khojasteh Salkuyeh
We present a biparametric preconditioning technique for large, sparse, non-symmetric, and non-singular double saddle point problems. The preconditioner is induced using a stationar…
Semi-convergence of the APSS method for a class of nonsymmetric three-by-three singular saddle point problems
Hamed Aslani, Davod Khojasteh Salkuyeh
For nonsymmetric block three-by-three singular saddle point problems arising from the Picard iteration method for a class of mixed finite element scheme, recently Salkuyeh et al. i…
A block triangular preconditioner for a class of three-by-three block saddle point problems
Hamed Aslani, Davod Khojasteh Salkuyeh
This paper deals with solving a class of three-by-three block saddle point problems. The systems are solved by preconditioning techniques. Based on an iterative method, we construc…
On the preconditioning of three-by-three block saddle point problems
Hamed Aslani, Davod Khojasteh Salkuyeh, Fatemeh Panjeh Ali Beik
We establish a new iterative method for solving a class of large and sparse linear systems of equations with three-by-three block coefficient matrices having saddle point structure…