计算物理 ›› 1995, Vol. 12 ›› Issue (2): 219-226.

• 论文 • 上一篇    下一篇

可向量计算的块预条件迭代算法

刘兴平, 胡家赣   

  1. 北京应用物理与计算数学研究所, 计算物理实验室, 100088
  • 收稿日期:1993-09-06 修回日期:1994-02-24 出版日期:1995-06-25 发布日期:1995-06-25
  • 基金资助:
    国家自然科学基金;中物院科学基金资助项目

THE VECTORIZABLE PE ITERATIVE METHODS

Liu Xingping, Hu Jiagan   

  1. The Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, P.O.Box 8009, Beijing, 100088, Biejing, People's Republic of China
  • Received:1993-09-06 Revised:1994-02-24 Online:1995-06-25 Published:1995-06-25

摘要: 提出一种类似于PE算法的实用并行迭代算法(VPE),可以克服M-1r(s)向量或并行化处理的困难.这种算法格式简单明了,收敛速度快.并证明了当矩阵AM-阵和H-阵时,该算法是收敛的。计算实例显示该算法很有效.

关键词: 可向量计算, VPE算法, M-阵, H-阵, 迭代算法, 收敛性

Abstract: The algorithms of Vectorizable PE Method for linear systems of the form Ax=f are proposed, when A is block tridiagonal matrix. The convergence of these iterative methods is analysed, when A is an M matrix or H matrix. The resulting VPE method has been tested on YH-1 computer. Numericla examples indicate that the new method is very efficient, since the vectorial computation can be applied.

Key words: VPE method, linear system, Vectorizable, M-matrix, H-matrix

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