Touraj NIKAZAD, Shsghayegh HEIDARZADE

107121

Choosing the relaxation parameter in sequential block-iterative methods for linear systems

In this paper we introduce two strategies for picking relaxation parameters to control the semiconvergence behavior of a sequential block-iterative method. A convergence analysis is presented. We also demonstrate the performance of our strategies by examples taken from tomographic imaging.
Keywords:

Sequential block-iterative methods, Cimmino and CAV iteration, semiconvergence relaxation parameters, tomographic imaging,

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Turkish Journal of Mathematics-Cover
  • ISSN: 1300-0098
  • Yayın Aralığı: 6
  • Yayıncı: TÜBİTAK
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