AOR iterative methods for rank deficient least squares problems |
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| Authors: | Yanli Huang Yongzhong Song |
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| Affiliation: | 1. Institute of Mathematics, Nanjing Normal University, Nanjing, 210097, China
2. College of Mathematics and Physics, Nanjing University of Information Science & Technology, Nanjing, 210044, China
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| Abstract: | In this paper we study the semiconvergence of accelerated overrelaxation (AOR) iterative methods for the least squares solution of minimal norm of rank deficient linear systems. Necessary and sufficient conditions for the semiconvergence of the AOR and JOR iterative methods are given. The optimum parameters and the associated convergence factor are derived. |
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