Spectral refinement on quasi-diagonal matrices

DOI10.1016/j.laa.2003.12.004zbMath1075.65050OpenAlexW2093561238MaRDI QIDQ1779387

Paulo B. Vasconcelos, Mario Ahues, Alain Largillier, Filomena Dias d'Almeida

Publication date: 1 June 2005

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.laa.2003.12.004

zbMATH Keywords

convergencenumerical examplesEigenvaluesEigenvectorsPerturbation theoryPerturbed fixed slopeQuasi-diagonal matricesSpectral refinementiterative explicit method

Mathematics Subject Classification ID

Numerical computation of eigenvalues and eigenvectors of matrices (65F15)

Related Items (4)

Spectral refinement for clustered eigenvalues of quasi-diagonal matrices ⋮ Iterative refinement for symmetric eigenvalue decomposition ⋮ Unnamed Item ⋮ A note on perturbed fixed slope iterations

Uses Software

• LAPACK

Cites Work

• A note on refining eigenelements of symmetric matrices
• LAPACK Users' Guide
• Unnamed Item
• Unnamed Item
• Unnamed Item

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