Changing over stopping criterion for stable solving nonsymmetric linear equations by preconditioned conjugate gradient squared method
Changing over stopping criterion for stable solving nonsymmetric linear equations by preconditioned conjugate gradient squared method
复制标题
改变预条件共轭梯度平方法稳定求解非对称线性方程组的停止准则
DOI:
10.1016/j.aml.2019.106088
复制
发表时间:
2020
影响因子:
3.7
通讯作者:
Sugihara Masaaki
中科院分区:
文献类型:
--
作者:
Itoh Shoji;Sugihara Masaaki
An improved preconditioned conjugate gradient squared (PCGS) algorithm has recently been proposed. This algorithm is more accurate and efficient than the conventional PCGS algorithm, and retains the advantages of the left-PCGS in terms of a solution structure. In this paper, we propose a changing over stopping criterion for the improved PCGS, that results in a higher accuracy than the conventional and the left-PCGS. A series of numerical results illustrate the stable solving statuses and the enhanced effectiveness of the improved PCGS with changing over stopping criterion.
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
プトゥラ プラタマ;中尾彰宏;Shoji Itoh
通讯作者:
Shoji Itoh
影响因子:
2
作者:
Itoh Shoji;Sugihara Masaaki
通讯作者:
Sugihara Masaaki