Fourier Analysis of Incomplete Factorization Preconditioners for Three-Dimensional Anisotropic Problems

DOI10.1137/0913017zbMath0752.65025OpenAlexW2060809829WikidataQ57397417 ScholiaQ57397417MaRDI QIDQ3990920

Tony F. Chan, June M. Donato

Publication date: 28 June 1992

Published in: SIAM Journal on Scientific and Statistical Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/0913017

zbMATH Keywords

Fourier analysiscondition numberpreconditioned conjugate gradient methodrelaxed-modified incomplete LU-factorization preconditioned systemsthree-dimensional anisotropic elliptic problem

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

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