对块三对角M矩阵的一个并行不完全分解预条件算法
2015-10-22江跃勇
江跃勇
【摘 要】Yun提了一种对对称M-矩阵的不完全分解预条件技术.本文给出的预条件方法对上述方法予以了改进, 改进的方法收敛速度更快.
【关键词】不完全分解;M-矩阵;稀疏矩阵;共轭梯度法
1 主要结果
在文献[1]中, Yun提出了一种对系数矩阵为大型稀疏块三对角对称M-阵的线性方程组的预条件技术,本文对这种技术进行了改进.
【参考文献】
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