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A note on convergence of PRP method with new nonmonotone line search
Authors:Liqing Cheng  Yunda Dong
Affiliation:a Xinxiang Medical University, Xinxiang 453003, China
b Department of Mathematics, Zhengzhou University, Zhengzhou 450001, China
Abstract:We in this note drop a Lipschitz constant in a Grippo-Lucidi-type step length rule recently proposed by Shi and Shen [Z. Shi, J. Shen, Convergence of PRP method with new nonmonotone line search, Applied Mathematics and Computation 181(1) (2006) 423-431], and the original convergence remains valid.
Keywords:PRP conjugate gradient method   Grippo-Lucidi-type step length rule   Convergence
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