A normalized sparse linear equations solver

DOI10.1016/0377-0427(83)90021-3zbMath0538.65072OpenAlexW1984754543MaRDI QIDQ793503

Elias A. Lipitakis

Publication date: 1983

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0377-0427(83)90021-3

zbMATH Keywords

numerical exampleincomplete factorizationfinite element systemsinner iterationapproximate \(D_{R}T'_{R}T_{R}D_{R}\) factorizationforward-backward substitutionself-adjoint elliptic partial differential equations

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Factorization of matrices (15A23) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Direct numerical methods for linear systems and matrix inversion (65F05) Software, source code, etc. for problems pertaining to linear algebra (15-04)

Related Items (5)

Preconditioned iterative methods for solving 3d boundary value problems ⋮ High performance inverse preconditioning ⋮ Explicit approximate inverse preconditioning techniques ⋮ OpenMP based parallel normalized direct methods for sparse finite element linear systems ⋮ Unnamed Item

Cites Work

• A normalized implicit conjugate gradient method for the solution of large sparse systems of linear equations
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