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Accuracy of preconditioned CG-type methods for least squares problems

✍ Scribed by Laurence Tianruo Yang

Book ID
108458462
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
907 KB
Volume
45
Category
Article
ISSN
0898-1221

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πŸ“œ SIMILAR VOLUMES

Preconditioned GAOR methods for solving
Preconditioned GAOR methods for solving weighted linear least squares problems
✍ Xiaoxia Zhou; Yongzhong Song; Li Wang; Qingsheng Liu πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 462 KB

## a b s t r a c t In this paper, we present the preconditioned generalized accelerated overrelaxation (GAOR) method for solving linear systems based on a class of weighted linear least square problems. Two kinds of preconditioning are proposed, and each one contains three preconditioners. We comp