A modified PRP conjugate gradient method

被引:74
作者
Yuan, Gonglin [1 ,2 ]
Lu, Xiwen [1 ]
机构
[1] Guangxi Univ, Coll Math & Informat Sci, Nanning 530004, Guangxi, Peoples R China
[2] E China Univ Sci & Technol, Sch Sci, Shanghai 200237, Peoples R China
关键词
Line search; Unconstrained optimization; Conjugate gradient method; Global convergence; R-linear convergence; CONVERGENCE PROPERTIES; GLOBAL CONVERGENCE; MINIMIZATION;
D O I
10.1007/s10479-008-0420-4
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
This paper gives a modified PRP method which possesses the global convergence of nonconvex function and the R-linear convergence rate of uniformly convex function. Furthermore, the presented method has sufficiently descent property and characteristic of automatically being in a trust region without carrying out any line search technique. Numerical results indicate that the new method is interesting for the given test problems.
引用
收藏
页码:73 / 90
页数:18
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