摘要
In this paper, we give the convergence and consistence theory of multiple search direction conjugate gradient method (see [10]) and give some upper bound estimations of iterative value and error of our method.
In this paper, we give the convergence and consistence theory of multiple search direction conjugate gradient method (see [10]) and give some upper bound estimations of iterative value and error of our method.
出处
《计算数学》
CSCD
北大核心
2004年第1期117-128,共12页
Mathematica Numerica Sinica
基金
国家高技术研究发展计划(863计划)
国家自然科学基金(60373015)
计算物理国家重点试验室基金资助项目
关键词
共轭梯度法
收敛性
稀疏线性方程组
对称正定性
内积
Linear systems, conjugate gradient-type method, massively parallel computing, inner product, global communication
