Results 1 to 10 of about 820,651 (313)

Dai-Kou type conjugate gradient methods with a line search only using gradient [PDF]

open access: yesJournal of Inequalities and Applications, 2017
In this paper, the Dai-Kou type conjugate gradient methods are developed to solve the optimality condition of an unconstrained optimization, they only utilize gradient information and have broader application scope.
Yuanyuan Huang, Changhe Liu
doaj   +2 more sources

A modified Liu-Storey scheme for nonlinear systems with an application to image recovery [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2023
Like the Polak-Ribi`ere-Polyak (PRP) and Hestenes-Stiefel (HS) meth-ods, the classical Liu-Storey (LS) conjugate gradient scheme is widely be-lieved to perform well numerically.
A.I. Kiri, M.Y. Waziri, K. Ahmed
doaj   +1 more source

Comparative numerical study between line search methods and majorant functions in barrier logarithmic methods for linear programming

open access: yesJournal of Numerical Analysis and Approximation Theory, 2020
This paper presents a comparative numerical study between line search methods and majorant functions to compute the displacement step in barrier logarithmic method for linear programming.
Soraya Chaghoub, Djamel Benterki
doaj   +7 more sources

An adaptive descent extension of the Polak–Rebière–Polyak conjugate gradient method based on the concept of maximum magnification [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization, 2021
Recently, a one-parameter extension of the Polak–Rebière–Polyak method has been suggested, having acceptable theoretical features and promising numerical behavior.
Z. Aminifard, S. Babaie-Kafaki
doaj   +1 more source

Logarithmic Barrier Method Via Minorant Function for Linear Semidefinite Programming

open access: yesAnnales Mathematicae Silesianae, 2023
We propose in this study, a new logarithmic barrier approach to solve linear semidefinite programming problem. We are interested in computation of the direction by Newton’s method and of the displacement step using minorant functions instead of line ...
Leulmi Assma
doaj   +1 more source

Guided Hybrid Modified Simulated Annealing Algorithm for Solving Constrained Global Optimization Problems

open access: yesMathematics, 2022
In this paper, a hybrid gradient simulated annealing algorithm is guided to solve the constrained optimization problem. In trying to solve constrained optimization problems using deterministic, stochastic optimization methods or hybridization between ...
Khalid Abdulaziz Alnowibet   +4 more
doaj   +1 more source

A New hybrid generalized CG- method for non-linear functions [PDF]

open access: yesAl-Rafidain Journal of Computer Sciences and Mathematics, 2010
In this paper a new extended generalized conjugate gradient algorithm is proposed for unconstrained optimization, which is considered as anew inverse hyperbolic model .In order to improve the rate of convergence of the new technique, a new hybrid ...
Abbas Al-Bayati, Hamsa Chilmerane
doaj   +1 more source

An Accelerated Convex Optimization Algorithm with Line Search and Applications in Machine Learning

open access: yesMathematics, 2022
In this paper, we introduce a new line search technique, then employ it to construct a novel accelerated forward–backward algorithm for solving convex minimization problems of the form of the summation of two convex functions in which one of these ...
Dawan Chumpungam   +2 more
doaj   +1 more source

A Novel Forward-Backward Algorithm for Solving Convex Minimization Problem in Hilbert Spaces

open access: yesMathematics, 2020
In this work, we aim to investigate the convex minimization problem of the sum of two objective functions. This optimization problem includes, in particular, image reconstruction and signal recovery.
Suthep Suantai   +2 more
doaj   +1 more source

A New Hybrid Approach for Solving Large-scale Monotone Nonlinear Equations

open access: yesJournal of Mathematical and Fundamental Sciences, 2020
In this paper, a new hybrid conjugate gradient method for solving monotone nonlinear equations is introduced. The scheme is a combination of the Fletcher-Reeves (FR) and Polak-Ribiére-Polyak (PRP) conjugate gradient methods with the Solodov and Svaiter ...
Jamilu Sabi’u   +3 more
doaj   +1 more source

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