A Simplified and Flexible Variant of GCROT for Solving Nonsymmetric Linear Systems

DOI10.1137/090754674zbMath1213.65055OpenAlexW2155864050MaRDI QIDQ3168812

David W. Zingg, Jason E. Hicken

Publication date: 19 April 2011

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

Full work available at URL: https://doi.org/10.1137/090754674

zbMATH Keywords

finite volume methodtruncationnumerical examplesnumerical experimentspreconditioningiterative methodsorthogonalizationaerodynamicsKrylov subspacegeneralized conjugate residual\texttt{GMRES}nonsymmetric sparse linear systems\texttt{GCROT}\texttt{LGMRES}flexible iterations

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Finite volume methods applied to problems in fluid mechanics (76M12) General aerodynamics and subsonic flows (76G25) Iterative numerical methods for linear systems (65F10) Preconditioners for iterative methods (65F08)

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Uses Software

• P-SPARSLIB
• MatrixMarket
• GCROT