The quality of approximations to a well-isolated eigenvalue, and the arrangement of Ritz numbers in a simple Lanczos process

zbMath1026.65506MaRDI QIDQ1416021

L. A. Knizhnerman

Publication date: 10 December 2003

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

Mathematics Subject Classification ID

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

Related Items (3)

Rational Lanczos approximations to the matrix square root and related functions ⋮ Shift-and-Invert Krylov Methods for Time-Fractional Wave Equations ⋮ The stabilization of weights in the Lanczos and conjugate gradient method

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