Numerical solutions of symmetric saddle point problem by direct methods

DOI10.1515/dema-2013-0463zbMath1305.65113OpenAlexW1587979009MaRDI QIDQ5747135

Felicja Okulicka-Dłuzewska, Alicja Smoktunowicz

Publication date: 11 February 2014

Published in: Demonstratio Mathematica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1515/dema-2013-0463

zbMATH Keywords

stabilitysingular value decompositioncondition numberconditioningdirect methodQR decompositionsaddle point problembackward errorHouseholder transformationCholesky methodblock Gaussian elimination

Mathematics Subject Classification ID

Factorization of matrices (15A23) Direct numerical methods for linear systems and matrix inversion (65F05) Conditioning of matrices (15A12)

Uses Software

• mctoolbox

Cites Work

• On some metrical properties of operator matrices and matrices partitioned into blocks
• Block matrices and symmetric perturbations
• Solution of augmented linear systems using orthogonal factorizations
• Numerical solution of saddle point problems
• The Use ofQRFactorization in Sparse Quadratic Programming and Backward Error Issues
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