Bounds for elements of LU factorizations of sparse matrices and their application to incomplete factorization methods

zbMath0945.65020MaRDI QIDQ1974749

Igor A. Blatov

Publication date: 19 June 2000

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

zbMATH Keywords

boundssparse matricesPoisson equationincomplete factorization methodLU factorizationsblock factorizations

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Finite difference methods for boundary value problems involving PDEs (65N06) Direct numerical methods for linear systems and matrix inversion (65F05)

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