A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization

The nonlinear conjugate gradient algorithms are a very effective way in solving large-scale unconstrained optimization problems. Based on some famous previous conjugate gradient methods, a modified hybrid conjugate gradient method was proposed. The proposed method can generate decent directions at e...

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Main Authors: Minglei Fang, Min Wang, Min Sun, Rong Chen
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Journal of Mathematics
Online Access:http://dx.doi.org/10.1155/2021/5597863
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author Minglei Fang
Min Wang
Min Sun
Rong Chen
author_facet Minglei Fang
Min Wang
Min Sun
Rong Chen
author_sort Minglei Fang
collection DOAJ
description The nonlinear conjugate gradient algorithms are a very effective way in solving large-scale unconstrained optimization problems. Based on some famous previous conjugate gradient methods, a modified hybrid conjugate gradient method was proposed. The proposed method can generate decent directions at every iteration independent of any line search. Under the Wolfe line search, the proposed method possesses global convergence. Numerical results show that the modified method is efficient and robust.
format Article
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institution Kabale University
issn 2314-4629
2314-4785
language English
publishDate 2021-01-01
publisher Wiley
record_format Article
series Journal of Mathematics
spelling doaj-art-8afe1ba54e164a6e80e1bc5cc173c5822025-02-03T06:46:22ZengWileyJournal of Mathematics2314-46292314-47852021-01-01202110.1155/2021/55978635597863A Modified Hybrid Conjugate Gradient Method for Unconstrained OptimizationMinglei Fang0Min Wang1Min Sun2Rong Chen3School of Mathematics and Big Data, Anhui University of Science and Technology, Huainan 232001, ChinaSchool of Mathematics and Big Data, Anhui University of Science and Technology, Huainan 232001, ChinaSchool of Mathematics and Big Data, Anhui University of Science and Technology, Huainan 232001, ChinaSchool of Mathematics and Big Data, Anhui University of Science and Technology, Huainan 232001, ChinaThe nonlinear conjugate gradient algorithms are a very effective way in solving large-scale unconstrained optimization problems. Based on some famous previous conjugate gradient methods, a modified hybrid conjugate gradient method was proposed. The proposed method can generate decent directions at every iteration independent of any line search. Under the Wolfe line search, the proposed method possesses global convergence. Numerical results show that the modified method is efficient and robust.http://dx.doi.org/10.1155/2021/5597863
spellingShingle Minglei Fang
Min Wang
Min Sun
Rong Chen
A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization
Journal of Mathematics
title A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization
title_full A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization
title_fullStr A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization
title_full_unstemmed A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization
title_short A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization
title_sort modified hybrid conjugate gradient method for unconstrained optimization
url http://dx.doi.org/10.1155/2021/5597863
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AT minwang amodifiedhybridconjugategradientmethodforunconstrainedoptimization
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AT mingleifang modifiedhybridconjugategradientmethodforunconstrainedoptimization
AT minwang modifiedhybridconjugategradientmethodforunconstrainedoptimization
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