Variable additive preconditioning procedures

DOI10.1007/s006070050016zbMath0932.65125OpenAlexW2014652822MaRDI QIDQ1293472

S. V. Nepomnyashchikh, Michael Jung

Publication date: 2 March 2000

Published in: Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s006070050016

zbMATH Keywords

algorithmsfinite elementsdomain decompositioniterative methodsPoisson equationconjugate gradient methodsadditive Schwarz methodslarge scale linear problemsoptimal scaling factorspreconditioned operators

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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