A condition for the nonsymmetric saddle point matrix being diagonalizable and having real and positive eigenvalues

DOI10.1016/j.cam.2007.07.014zbMath1151.65025OpenAlexW1984735625MaRDI QIDQ939501

Ting-Zhu Huang, Shu-Qian Shen, Guang-Hui Cheng

Publication date: 22 August 2008

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.2007.07.014

zbMATH Keywords

eigenvaluediagonalizationspectral condition numberSaddle point matrix

Mathematics Subject Classification ID

Iterative numerical methods for linear systems (65F10) Canonical forms, reductions, classification (15A21)

Related Items (1)

On the eigenvalue distribution of preconditioned nonsymmetric saddle point matrices

Cites Work

• Minimum residual methods for augmented systems
• On the eigenvalues of a class of saddle point matrices
• Preconditioning of Indefinite Problems by Regularization
• Numerical solution of saddle point problems
• On Optimal Short Recurrences for Generating Orthogonal Krylov Subspace Bases
• Matrix Analysis
• Preconditioned Iterative Methods for Weighted Toeplitz Least Squares Problems

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