Low-rank perturbations of symmetric matrices and their condensed forms under unitary congruences

DOI10.1134/S0965542509040010zbMath1199.15104OpenAlexW2033797722MaRDI QIDQ3652402

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Publication date: 17 December 2009

Published in: Computational Mathematics and Mathematical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1134/s0965542509040010

zbMATH Keywords

iterationsymmetric matricesnormal matricessystems of linear equationsunitary congruenceslow-rank perturbationconjugate-normal coefficient matricesMINRES-CN

Mathematics Subject Classification ID

Hermitian, skew-Hermitian, and related matrices (15B57) Iterative numerical methods for linear systems (65F10) Linear equations (linear algebraic aspects) (15A06) Canonical forms, reductions, classification (15A21)

Related Items (2)

Unnamed Item ⋮ Improved bounds for the recursion width in congruent type methods for solving systems of linear equations

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