Zobrazeno 1 - 10
of 11 380
pro vyhledávání: '"Variable order"'
Publikováno v:
Iranian Journal of Numerical Analysis and Optimization, Vol 14, Iss Issue 4, Pp 1224-1246 (2024)
The fractional Lane–Emden model illustrates different phenomena in astrophysics and mathematical physics. This paper involves the Vieta–Lucas (Vt-L) bases to solve types of variable-order (V-O) fractional Lane–Emden equation (linear and nonline
Externí odkaz:
https://doaj.org/article/21398434907148609890441e917a8d4c
Autor:
T. Saradhadevi, A. Kalavathi
Publikováno v:
Computational Ecology and Software, Vol 14, Iss 4, Pp 215-233 (2024)
The intricate relationship between human-induced carbon dioxide (CO2) emissions and the atmospheric temperature presents a multifaceted challenge with profound implications for the environment, ecosystems, and human societies. This research presents
Externí odkaz:
https://doaj.org/article/a9a7c8dcd8344bea8816948c1a42ae1f
Publikováno v:
Arab Journal of Basic and Applied Sciences, Vol 31, Iss 1, Pp 527-535 (2024)
The objective of this study is to explore synchronizationa spects of discrete fractional neural networks, encompassing both constant and variable orders. By employing nonlinear feedback control techniques, we establish a sufficient criterion to ensur
Externí odkaz:
https://doaj.org/article/793c7036feb0409f8fa12525346078f6
Publikováno v:
Mathematical and Computer Modelling of Dynamical Systems, Vol 30, Iss 1, Pp 736-757 (2024)
In order to make the constructed investment portfolio model better adapt to the actual securities market, this paper incorporates the multifractal correlations into the portfolio model of multi-risk assets optimization. On the basis of using variable
Externí odkaz:
https://doaj.org/article/b84b04397cea49818da47dd15d426480
Autor:
Паровик, Р.И.
Publikováno v:
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, Vol 49, Iss 4, Pp 24-35 (2024)
В статье исследуется динамические режимы дробной системы Селькова с переменной наследственностью (памятью). Эффект переменной наследс
Externí odkaz:
https://doaj.org/article/fd7a1e20e8354bbf82339e9a2df62fe5
Autor:
Алимова, Н.Б.
Publikováno v:
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, Vol 48, Iss 3, Pp 56-69 (2024)
В статье проводится исследование процесса временного распространения нервного импульса в клеточной мембране. Для этой цели была предл
Externí odkaz:
https://doaj.org/article/9d29d73a6a864c1fadb12f2db335d2da
Publikováno v:
AIMS Mathematics, Vol 9, Iss 9, Pp 23692-23710 (2024)
Nonlinear optimal control problems governed by variable-order fractional integro-differential equations constitute an important subgroup of optimal control problems. This group of problems is often difficult or impossible to solve analytically becaus
Externí odkaz:
https://doaj.org/article/e79b71d41b4e422a9b8b66bd4088a719
Publikováno v:
Nonlinear Engineering, Vol 13, Iss 1, Pp 56-8 (2024)
This study presents a space–time variable-order fractional carbon nanotube (CNT) mathematical model. Fractional differential equations successfully describe the model and its physical and biological properties. The mathematical model simulates the
Externí odkaz:
https://doaj.org/article/c267f9091c7b4109add3bb06287ee602
Autor:
Hicham Ait Mohammed, Mohammed El-Hadi Mezabia, Brahim Tellab, Abdelkader Amara, Homan Emadifar
Publikováno v:
Boundary Value Problems, Vol 2024, Iss 1, Pp 1-28 (2024)
Abstract In this paper, we examine the existence, uniqueness, and stability of solutions for a Caputo variable order ϑ-initial value problem (ϑ-IVP) with multi-point initial conditions. The proofs for uniqueness and existence leverage Sadovski’s
Externí odkaz:
https://doaj.org/article/8ff38ae37ecb4fac90469e2f7edf2efa
Autor:
NH Sweilam, Waleed Abdel Kareem, SM Al-Mekhlafi, Muner M Abou Hasan, Taha H El-Ghareeb, TM Soliman
Publikováno v:
Partial Differential Equations in Applied Mathematics, Vol 12, Iss , Pp 100986- (2024)
This work expands on a novel piecewise mathematical model of Lumpy Skin Disease (LSD) in three time intervals by utilizing fractional stochastic derivatives and variable-order differential equations. The LSD model is developed into two crossover hybr
Externí odkaz:
https://doaj.org/article/f614d94302de4e72b2a2fa201cc6925e