Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Salah G. Shareef"'
Publikováno v:
Science Journal of University of Zakho, Vol 11, Iss 4 (2023)
The method of optimization is used to determine the most precise value for certain functions within a certain domain; it is mostly studied and employed in the fields of mathematics, computer science, and physics. This work presents a novel three-term
Externí odkaz:
https://doaj.org/article/dcfd9d1709294c50816bbb0f54cc1875
Autor:
Mardeen Sh. Taher, Salah G. Shareef
Publikováno v:
International Journal of Analysis and Applications, Vol 21, Pp 31-31 (2023)
The conjugate gradient and Quasi-Newton methods have advantages and drawbacks, as although quasi-Newton algorithm has more rapid convergence than conjugate gradient, they require more storage compared to conjugate gradient algorithms. In 1976, Buckle
Externí odkaz:
https://doaj.org/article/b0f4cc9616db4e3e9eaeb9163d863c8d
Publikováno v:
Science Journal of University of Zakho, Vol 7, Iss 1, Pp 34-36 (2019)
This paper, proposes a new conjugate gradient method for unconstrained optimization based on Dai-Liao (DL) formula; descent condition and sufficient descent condition for our method are provided. The numerical results and comparison show that the pro
Externí odkaz:
https://doaj.org/article/8c3b41e5f7334fac8d95b6495a741c64
Autor:
Salah G. Shareef, Dlovan H. Omar
Publikováno v:
Science Journal of University of Zakho, Vol 4, Iss 2, Pp 248-252 (2016)
In this paper, we suggest a new conjugate gradient method for unconstrained optimization by using homotopy theory. Our suggestion algorithm satisfies the conjugacy and descent conditions. Numerical result shows that our new algorithm is better than t
Externí odkaz:
https://doaj.org/article/825f5ed9af7d4240bd2e9ccff1b3cc2a
Autor:
Salah G. Shareef, Bayda G. Fathi
Publikováno v:
Science Journal of University of Zakho, Vol 4, Iss 1, Pp 115-120 (2016)
In this paper, we propose a modification of the self-scaling quasi-Newton (DFP) method for unconstrained optimization using logistic mapping. We shoe that it produces a positive definite matrix. Numerical results demonstrate that the new algorithm is
Externí odkaz:
https://doaj.org/article/fa53ac12d6334be096b69f102d143cf3
Autor:
Salah G. Shareef, Alaa L. Ibrahim
Publikováno v:
Science Journal of University of Zakho, Vol 4, Iss 1, Pp 104-114 (2016)
In this paper, a new formula of is suggested for conjugate gradient method of solving unconstrained optimization problems based on step size of Barzilai and Borwein. Our new proposed CG-method has descent condition, sufficient descent condition and g
Externí odkaz:
https://doaj.org/article/a2f9c11a097544848002df18b8ddd3c2
Autor:
Mardeen Sh. Taher, Salah G. Shareef
Publikováno v:
Mathematics and Statistics. 9:882-888
It is known that the conjugate gradient method is still a popular method for many researchers who are focused in solving the large-scale unconstrained optimization problems and nonlinear equations because the method avoids the computation and storage
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ce9d04e5badc2fc3558c15ae866e667
https://doi.org/10.13189/ms.2021.090603
https://doi.org/10.13189/ms.2021.090603
Publikováno v:
Kirkuk University Journal-Scientific Studies. 3:107-116
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81d092e981fb1840bddaca960b1ee59e
https://doi.org/10.32894/kujss.2008.42463
https://doi.org/10.32894/kujss.2008.42463