On conditioning of saddle-point matrices with Lagrangian augmentation

DOI10.1016/j.amc.2014.09.087zbMath1338.65072OpenAlexW2025480693MaRDI QIDQ298397

Fang Chen

Publication date: 20 June 2016

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

Full work available at URL: https://doi.org/10.1016/j.amc.2014.09.087

zbMATH Keywords

linear systempreconditioningseries expansionmatrix splittingtruncated inverse

Mathematics Subject Classification ID

Numerical computation of matrix norms, conditioning, scaling (65F35) Conditioning of matrices (15A12) Preconditioners for iterative methods (65F08)

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Cites Work

• Eigenvalue estimates for saddle point matrices of Hermitian and indefinite leading blocks
• Constraint Preconditioners for Symmetric Indefinite Matrices
• Mixed and Hybrid Finite Element Methods
• On Solving Block-Structured Indefinite Linear Systems
• Unnamed Item