An extension of polak-ribière-polyak method using exact line search

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Lately, many large-scale unconstrained optimization problems rely upon nonlinear conjugate gradient (CG) methods. Many areas such as engineering, and computer science have benefited because of its simplicity, fast and low memory requirements. Many modified coefficients have appeared recently, all of which to improve these methods. This paper considers an extension conjugate gradient method of Polak-Ribière-Polyak using exact line search to show that it holds for some properties such as sufficient descent and global convergence. A set of 113 test problems is used to evaluate the performance of the proposed method and get compared to other existing methods using the same line search.




Dawahdeh, M., Mamat, M., Rivaie, M., Mohamed, M. A., & Ghazali, P. L. (2019). An extension of polak-ribière-polyak method using exact line search. International Journal of Recent Technology and Engineering, 8(2 Special Issue 3), 368–373.

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