On the Condition of Symmetric Quasi-Definite Matrices

DOI10.1137/S0895479898333247zbMath0952.65029OpenAlexW1980357007MaRDI QIDQ4943671

Alan George, Khakim D. Ikramov

Publication date: 19 March 2000

Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/s0895479898333247

zbMATH Keywords

algorithmsGaussian eliminationleast squares problemsreorderingcondition numberssparse systemssymmetric quasi-definite matricessparsity preserving methods

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Ill-posedness and regularization problems in numerical linear algebra (65F22) Numerical computation of matrix norms, conditioning, scaling (65F35) Direct numerical methods for linear systems and matrix inversion (65F05)

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