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International Journal of Computer Mathematics Volume 97, 2020 - Issue 9
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Original Articles

USSOR method for solving the indefinite least squares problem

Juan Songa School of Science, Jiangnan University, Wuxi, People's Republic of China;b Jiangsu Key Laboratory for Numerical Simulation of Large Scale Complex Systems, Nanjing Normal University, Nanjing, People's Republic of ChinaCorrespondence[email protected]
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Pages 1781-1791 | Received 29 Oct 2018, Accepted 13 Aug 2019, Published online: 04 Sep 2019
 
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Abstract

In this paper, we discuss the USSOR method for solving indefinite least squares problem. The convergence conditions and algorithm of the USSOR method for solving indefinite least squares problem are given out. Further, the optimal parameter and the corresponding optimal convergence factor of the USSOR method for solving indefinite least squares problem are derived. Finally, numerical examples show the efficiency of the obtained theoretical results.

2010 Mathematics Subject Classification:

Disclosure statement

No potential conflict of interest was reported by the author.

Additional information

Funding

This work is supported by the Fundamental Research Funds for the Central Universities [grant number JUSRP11950].

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