Modified Conjugate Gradient Method for Solving System of Nonlinear Equations
Keywords:
system of nonlinear equations, conjugate gradient parameters, convex combination, global convergence, numerical experimentAbstract
In this paper, we proposed a modified hybrid conjugate gradient method based on a convex combination of the Fletcher-Reeves (FR), Polak-Ribiere-Polyak (PRP) and a quasiNewton’s update. However, one of the suggested algorithm’s key features is that the search direction is generated using a derivativefree line search. Under suitable assumptions, the algorithm is set up in such a way that its convergence is globally obtained. Finally, numerical outcomes on numerous benchmark test problems, show that our approach is more effective and robust than some existing methods.
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Copyright (c) 2022 Mohammed Yusuf Waziri, Aliyu Yusuf, Kabiru Ahmed, Abubakar Sani Halilu
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