A New Preconditioner that Exploits Low-Rank Approximations to Factorization Error
Work
Year: 2019
Type: article
Abstract: We consider ill-conditioned linear systems $Ax =$ b that are to be solved iteratively, and assume that a low accuracy LU factorization $A \approx \widehat{L}\widehat{U}$ is available for use in a prec... more
Authors Nicholas J. Higham, Théo Mary
Cites: 23
Cited by: 25
Related to: 10
FWCI: 2.307
Citation percentile (by year/subfield): 99.99
Topic: Matrix Theory and Algorithms
Subfield: Computational Theory and Mathematics
Field: Computer Science
Domain: Physical Sciences
Open Access status: hybrid
APC paid (est): $2,823