摘 要:
针对许多共轭梯度算法的充分下降性都依赖于线搜索过程这一不足,给出了一个新的共轭梯度算法,并在步长搜索满足Zoutendijk条件下证明了算法的全局收敛性。[著者文摘]
文章出处:
《桂林电子科技大学学报》-2007年27卷5期 -409-411页
Journal of Guilin Institute of Electronic Technology
栏目信息:
分 类 号:
文献标识码:
A
文章编号:
1673-808X(2007)05-0409-04
[参考文献]
A new conjugate gradient method
ZHANG Cong, FANG Ming-lei, CHEN Feng-hua (School of Mathematics and Computing Science, Guilin University of Electronic Technology, Guilin 541004, China)
Abstract:
The sufficient descent property is dependent on the line search in many conjugate gradient method. We thus proposed a new algorithm. The proposed algorithm can ensure that the sufficient descent property holds without any line searches. A global convergence result is proved when the Zoutendijk condition is met in the inexact line search.[著者文摘]
Key words:
unconstrained optimization; conjugate gradient method; Wolfe line search ; global convergence
收稿日期: 2007-09-15
基金资助:
国家自然科学基金(10501009);广西自然科学基金(0728206);中国博士后基金(20070410227)

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