A modified direct preconditioner for indefinite symmetric Toeplitz systems

DOI10.1002/nla.1680020504zbMath0854.65023OpenAlexW2119840674MaRDI QIDQ4868100

Paul Concus, Paul E. Saylor

Publication date: 6 January 1997

Published in: Numerical Linear Algebra with Applications (Search for Journal in Brave)

Full work available at URL: https://digital.library.unt.edu/ark:/67531/metadc1387171/

zbMATH Keywords

numerical resultsiterative methodpreconditionerdirect methodToeplitz systemsindefinite matricesTrench's algorithm

Mathematics Subject Classification ID

Numerical computation of matrix norms, conditioning, scaling (65F35) Direct numerical methods for linear systems and matrix inversion (65F05)

Related Items

Computations with Gohberg-Semencul-type formulas for Toeplitz matrices ⋮ High performance algorithms for Toeplitz and block Toeplitz matrices ⋮ Stabilization by perturbation of ILL-conditioned cyclic reduction^∗

Cites Work

• A Proposal for Toeplitz Matrix Calculations
• Unrestricted algorithms for elementary and special functions
• Toeplitz Matrix Inversion: The Algorithm of W. F. Trench