Preconditioning \(P_ 1\) conforming finite elements: Condition numbers and singular value distributions

DOI10.1007/BF01385751zbMath0796.65115MaRDI QIDQ1326446

Sze-Ping Wong

Publication date: 10 October 1994

Published in: Numerische Mathematik (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/133734

zbMATH Keywords

numerical experimentssingular valuescondition numbersnonconforming finite elementspreconditioning operators

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) 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)

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• GMRES: A Generalized Minimal Residual Algorithm for Solving Nonsymmetric Linear Systems
• An Optimal-Order Multigrid Method for P1 Nonconforming Finite Elements
• GMRESR: a family of nested GMRES methods

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