Nonsymmetric linear systems of algebraic equations which are small rank perturbations of block band-Toeplitz matrices from discretization of time-dependent PDEs are considered. With a combination of analytical and experimental results, we examine the convergence characteristics of the GMRES method with circulant-like block preconditioning for solving these systems.

Bertaccini, D., Ng, M.k. (2003). Band-Toeplitz preconditioned GMRES iterations for time-dependent PDEs. BIT, 43(5), 901-914 [10.1023/B:BITN.0000014545.13704.22].

Band-Toeplitz preconditioned GMRES iterations for time-dependent PDEs

Bertaccini D.;
2003-01-01

Abstract

Nonsymmetric linear systems of algebraic equations which are small rank perturbations of block band-Toeplitz matrices from discretization of time-dependent PDEs are considered. With a combination of analytical and experimental results, we examine the convergence characteristics of the GMRES method with circulant-like block preconditioning for solving these systems.
2003
Pubblicato
Rilevanza internazionale
Articolo
Esperti anonimi
Settore MAT/08 - ANALISI NUMERICA
English
Con Impact Factor ISI
Convergence of GMRES
Nonsymmetric Toeplitz matrices
Preconditioning
Time dependent PDEs
Bertaccini, D., Ng, M.k. (2003). Band-Toeplitz preconditioned GMRES iterations for time-dependent PDEs. BIT, 43(5), 901-914 [10.1023/B:BITN.0000014545.13704.22].
Bertaccini, D; Ng, Mk
Articolo su rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/263312
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