摘要
主要研究了求解亏秩线性最小二乘问题的AOR方法的最优参数、渐近半收敛因子及其明晰的表达形式.并给出了两个数值例子阐明结论.
This paper studied the optimal parameters and asymptotical semiconvergence factor of AOR methods for rank deficient linear least squares problem and presented the explicit expressions of these factors. Finally, two numerical examples are given to illustrate our results.
出处
《南京师大学报（自然科学版）》
CAS
CSCD
北大核心
2011年第4期1-8,共8页
Journal of Nanjing Normal University(Natural Science Edition)
基金
Supported by the National Natural Science Foundation of China(10971102)
the Natural Science Foundation of Jiangsu Province of China(BK2009398)
the Foundation for the Authors of the National Excellent Doctoral Thesis Award of China(200720)
Jiangsu Innovation Fund for Doctor of Science(CX07B-027z)
关键词
AOR方法
最优参数
2-循环
渐近半收敛因子
亏秩线性最小二乘问题
AOR methods, optimal parameters, 2-cyclic, asymptotical semiconvergence factor, rank deficient linearleast squares problem
