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A necessary and sufficient convergence condition of orthomin(k) methods for least squares problem with weight

Shao Zhang and Yoshio Oyanagi

Annals of the Institute of Statistical Mathematics, 1990, vol. 42, issue 4, 805-811

Keywords: Conjugate direction; least square methods with weight; Orthomin method; preconditioning (search for similar items in EconPapers)
Date: 1990
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DOI: 10.1007/BF02481151

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