Results 11 to 20 of about 888,833 (294)

Improvement of conjugate gradient methods for removing impulse noise images [PDF]

open access: yes, 2023
Optimization problems occur in most disciplines like engineering, physics, mathematics, economics, administration, commerce, social sciences, and even politics.
Ahmed A. Abdullah, Ali   +3 more
core   +1 more source

Performance Gains in Conjugate Gradient Computation with Linearly Connected GPU Multiprocessors [PDF]

open access: yes, 2014
Conjugate gradient is an important iterative method used for solving least squares problems. It is compute-bound and generally involves only simple matrix computations.
Lin, Tsung-Han, Tarsa, Stephen, Kung, H.
core   +5 more sources

Comparison Between Steepest Descent Method and Conjugate Gradient Method by Using Matlab

open access: yesJournal of Studies in Science and Engineering, 2021
The Steepest descent method and the Conjugate gradient method to minimize nonlinear functions have been studied in this work. Algorithms are presented and implemented in Matlab software for both methods.
Dana Taha Mohammed Salih   +1 more
doaj   +1 more source

A New Spectral Conjugate Gradient method for solving unconstrained Optimization problems [PDF]

open access: yesمجلة ابحاث كلية التربية الاساسية, 2022
The spectral conjugate gradient methods are fascinating, and it has been shown that they are useful for strictly convex quadratic reduction when used properly.
أسامة محمد طاهر ویس   +2 more
doaj   +1 more source

A nonlinear conjugate gradient method with complexity guarantees and its application to nonconvex regression

open access: yesEURO Journal on Computational Optimization, 2022
Nonlinear conjugate gradients are among the most popular techniques for solving continuous optimization problems. Although these schemes have long been studied from a global convergence standpoint, their worst-case complexity properties have yet to be ...
Rémi Chan–Renous-Legoubin   +1 more
doaj   +1 more source

Anew Conjugate Gradient Algorithm Based on The (Dai-Liao) Conjugate Gradient Method

open access: yesTikrit Journal of Pure Science, 2020
In this paper we can derive a new search direction of conjugating gradient method associated with (Dai-Liao method ) the new algorithm becomes converged by assuming some hypothesis.
SHAHER QAHTAN HUSSEIN   +2 more
doaj   +1 more source

A Modified Hybrid Conjugate Gradient Method for Unconstrained Optimization

open access: yesJournal of Mathematics, 2021
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.
Minglei Fang   +3 more
doaj   +1 more source

A New Parameterized Conjugate Gradient Method based on Generalized Perry Conjugate Gradient Method

open access: yesTikrit Journal of Pure Science, 2023
A New Parameterized Conjugate Gradient Method based on Generalized Perry Conjugate Gradient Method is proposed to be based on Perry's idea, the descent condition and the global convergent is proven under Wolfe condition.
Khalil K. Abbo, Nazar K. Hussein
doaj   +1 more source

Parallel conjugate gradient method

open access: yesLietuvos Matematikos Rinkinys, 2003
We investigate a parallel version of the preconditioned conjugate gradientmethod. A scalability analysis is done for a finite difference schemewhich approximates the 3D elliptic problem.
Raimondas Čiegis, Galina Šilko
doaj   +3 more sources

Accelerated Conjugate Gradient for Second-Order Blind Signal Separation

open access: yesAcoustics, 2022
This paper proposes a new adaptive algorithm for the second-order blind signal separation (BSS) problem with convolutive mixtures by utilising a combination of an accelerated gradient and a conjugate gradient method.
Hai Huyen Dam, Sven Nordholm
doaj   +1 more source

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