A note on the preconditioned Gauss-Seidel (GS) method for linear systems

  • Authors:
  • Wen Li

  • Affiliations:
  • Department of Mathematics, South China Normal University, Guangzhou, 510631, PR China

  • Venue:
  • Journal of Computational and Applied Mathematics
  • Year:
  • 2005

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Abstract

In this note recent comparison results for preconditioned Gauss-Seidel (GS) methods are discussed. A new strict comparison result between two different preconditioned GS methods is given, some errors in a recent article by Niki et al. (J. Comput. Appl. Math. 164-165 (2004) 587) are pointed out and a new proof for the corresponding results in Niki et al. is presented.