A note on spectrum analysis of augmentation block preconditioned generalized saddle point matrices

DOI10.1016/j.cam.2012.08.024zbMath1257.65016OpenAlexW2033071165MaRDI QIDQ1758405

Zhi-Hao Cao

Publication date: 9 November 2012

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

Full work available at URL: https://doi.org/10.1016/j.cam.2012.08.024

zbMATH Keywords

numerical examplesclusteringeigenvalue distributioneigenvectorsaugmentationminimal polynomialblock preconditionergeneralized saddle point systemoptimal preconditioner

Mathematics Subject Classification ID

Eigenvalues, singular values, and eigenvectors (15A18) Iterative numerical methods for linear systems (65F10) Preconditioners for iterative methods (65F08)

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