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Journal of Numerical Mathematics

Editor-in-Chief: Hoppe, Ronald H. W. / Kuznetsov, Yuri

Managing Editor: Olshanskii, Maxim

Editorial Board: Benzi, Michele / Brenner, Susanne C. / Carstensen, Carsten / Dryja, M. / Feistauer, Miloslav / Glowinski, R. / Lazarov, Raytcho / Nataf, Frédéric / Neittaanmaki, P. / Bonito, Andrea / Quarteroni, Alfio / Guzman, Johnny / Rannacher, Rolf / Repin, Sergey I. / Shi, Zhong-ci / Tyrtyshnikov, Eugene E. / Zou, Jun / Simoncini, Valeria / Reusken, Arnold


IMPACT FACTOR 2018: 3.107

CiteScore 2018: 2.43

SCImago Journal Rank (SJR) 2018: 1.252
Source Normalized Impact per Paper (SNIP) 2018: 1.618

Mathematical Citation Quotient (MCQ) 2018: 1.13

Online
ISSN
1569-3953
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Volume 23, Issue 4

Issues

A relaxed splitting preconditioner for saddle point problems

Cui-Xia Li / Shi-Liang Wu / Ai-Qun Huang
  • School of Mathematics and Statistics, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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Published Online: 2015-12-08 | DOI: https://doi.org/10.1515/jnma-2015-0024

Abstract

In this paper, we introduce a relaxed splitting preconditioner for saddle point problems. Spectral properties of the preconditioned matrix are analyzed and compared with the closely related preconditioner in recent paper [New preconditioners for saddle point problems, Appl. Math. Comput. 172 (2006), 762-771] by Pan et al. Numerical experiments are given to illustrate the efficiency of the proposed precoditioner.

Keywords : Saddle point problems; Matrix splitting; Preconditioning; Eigenvalue distribution

About the article

Received: 2014-01-01

Accepted: 2014-06-09

Published Online: 2015-12-08

Published in Print: 2015-12-01


Citation Information: Journal of Numerical Mathematics, Volume 23, Issue 4, Pages 361–368, ISSN (Online) 1569-3953, ISSN (Print) 1570-2820, DOI: https://doi.org/10.1515/jnma-2015-0024.

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