An Efficient FR-CD-Like Algorithm for Unconstrained Optimization
Author:Â Deepho, Jitsupa;Â Abubakar, Auwal Bala;Â Malik, Maulana;Â Ibrahim, Abdulkarim Hassan;Â Kiri, Aliyu Ibrahim
Informations
JournalIranian Journal of Mathematical Sciences and Informatics
PublisherIranian Academic Center for Education, Culture and Research
Volume & IssueVol. 21,Issue 1
Pages67 - 84
Publication Year2026
ISSN17354463
Source TypeScopus
Abstract
A hybrid conjugate gradient (CG) method is proposed for solving unconstrained optimization problems. The direction of the method is a combination of a three-term conjugate descent (CD) and Fletcher-Reeves (FR) CG directions. Also, it is close to the direction of the mem-oryless Broyden-Fletcher-Goldfarb-Shanno (BFGS) method. In addition, under the Wolfe-type line search, the global convergence of the method is established. Numerical experiments are conducted on some benchmark test problems and the results are reported to show the efficiency of the propose method compared with some existing methods. © 2026 Academic Center for Education, Culture and Research TMU.
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