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Hilbert_CG

于 2014-11-22 发布 文件大小:2KB
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下载积分: 1 下载次数: 9

代码说明:

  采用预处理的CG算法求解Hilbert矩阵,求解1000阶及以上的方程组。预处理矩阵分别采用3对角线、5对角线以及在对角线上分割小块矩阵的矩阵。可以任意设置收敛精度,简单实用。(CG algorithm for solving Hilbert matrix preconditioning, 1000 order and above solving equations. Diagonal matrix were pretreated with 3, 5 and in the diagonal matrix, the diagonal matrix of divided pieces. Can be set convergence precision, simple and practical.)

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