CGS法の改良について

書誌事項

タイトル別名
  • On an Improvement of the CGS Method
  • CGSホウ ノ カイリョウ ニ ツイテ

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The Conjugate Gradient Squared method (CGS) has been proposed for solving large and sparse non-Hermitian linear systems, and it is well known that the CGS method may lead to a rather irregular convergence behaviour. In this paper, a Stabilized Conjugate Gradient Squared method (SCGS) is proposed as a variant of the CGS method. Numerical experiments indicate that the SCGS method is often more efficient than the CGS method.

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