A survey of some estimates of eigenvalues and condition numbers for certain preconditioned matrices

DOI10.1016/S0377-0427(97)00023-XzbMath0885.65050OpenAlexW2167902461MaRDI QIDQ1360170

Owe Axelsson, Lu, Hao

Publication date: 20 April 1998

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

Full work available at URL: https://doi.org/10.1016/s0377-0427(97)00023-x

zbMATH Keywords

preconditioningcondition numberLaplace equationeigenvalue boundsincomplete factorization method

Mathematics Subject Classification ID

Inequalities involving eigenvalues and eigenvectors (15A42) 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) Finite difference methods for boundary value problems involving PDEs (65N06)

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