2025/12/15
Mohammad Esmael Samei

Mohammad Esmael Samei

Academic rank: Associate Professor
ORCID: 0000-0002-5450-3127
Education: PhD.
H-Index:
Faculty: Faculty of Science
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E-mail: mesamei [at] basu.ac.ir
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Phone: 08131406263
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Research

Title
On q-variant of Dai–Yuan conjugate gradient algorithm for unconstrained optimization problems
Type
JournalPaper
Keywords
Conjugate gradient method · Global convergence · Wolfe conditions
Year
2021
Journal NONLINEAR DYNAMICS
DOI
Researchers Mohammad Esmael Samei ، Shashi Kant Mishra ، Suvra Kanti Chakraborty ، Bhagwat Ram

Abstract

In this paper, we propose a modified q-Dai–Yuan (q-DY) conjugate gradient algorithm based on q-gradient for solving unconstrained optimization problems. The q-gradient is calculated based on qderivative that requires a dilation parameter q for controlling the balance between the local and global search. The strong global convergence of the algorithm is proved under standardWolfe conditions, and numerical results show the efficiency of the proposed algorithm