• Medientyp: E-Artikel
  • Titel: THE PARALLEL BLOCK PRECONDITIONED CONJUGATE GRADIENT ALGORITHM
  • Beteiligte: Jin-xian, Wang
  • Erschienen: Science Press, 1992
  • Erschienen in: Journal of Computational Mathematics, 10 (1992), Seite 183-191
  • Sprache: Englisch
  • ISSN: 0254-9409; 1991-7139
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  • Beschreibung: <p>In this paper we discuss the parallel algorithm of block preconditioned conjugate gradient for obtaining a numerical solution of boundary value problems of the elliptic partial differential equation on a MIMD computer. In Section 2 we give two algorithms: BLICG(1) and its modification BLICG(n). In Section 3 we discuss their convergence and point out that BLIGG(n) has almost the same convergence rate on any number of processors as on one processor even for an anisotropic problem. In Section 4 we give a numerical example.</p>