Results 11 to 20 of about 928 (167)

A nonstandard finite difference method for solving the fractional logistic model

open access: yesJournal of Applied Mathematics and Computational Mechanics
Samah Ali, Eihab Bashier
doaj   +2 more sources

Dynamical and nonstandard computational analysis of heroin epidemic model

open access: yesResults in Physics, 2022
Numerical modelling of real-world problems has a significant role in different disciplines like biology, physics, chemistry, economics, and many more. The numerical results are the authentication of the results of the dynamical analysis.
Ali Raza   +6 more
doaj   +1 more source

Nonstandard finite differences numerical methods for a vegetation reaction–diffusion model

open access: yesJournal of Computational and Applied Mathematics, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Conte D., Pagano G., Paternoster B.
openaire   +4 more sources

Three level implicit tension spline scheme for solution of Convection-Reaction-Diffusion equation

open access: yesAin Shams Engineering Journal, 2018
In this work, the numerical approximation of Convection-Reaction-Diffusion equation is investigated using the method based on tension spline function and finite difference approximation.
H.S. Shekarabi, J. Rashidinia
doaj   +1 more source

Fractional optimal control in transmission dynamics of West Nile virus model with state and control time delay: a numerical approach

open access: yesAdvances in Difference Equations, 2019
In this paper, an optimal control for a novel fractional West Nile virus model with time delay is presented. The proposed model is governed by a system of fractional delay differential equations, where the fractional derivative is defined in the Grünwald–
N. H. Sweilam, O. M. Saad, D. G. Mohamed
doaj   +1 more source

Robust numerical method for singularly perturbed convection-diffusion type problems with non-local boundary condition

open access: yesMathematical Modelling and Analysis, 2022
This paper presents the study of singularly perturbed differential equations of convection diffusion type with non-local boundary condition. The proposed numerical scheme is a combination of classical finite difference method for the initial boundary ...
Habtamu G. Debela   +2 more
doaj   +1 more source

A hybrid fractional optimal control for a novel Coronavirus (2019-nCov) mathematical model

open access: yesJournal of Advanced Research, 2021
Introduction: Coronavirus COVID-19 pandemic is the defining global health crisis of our time and the greatest challenge we have faced since world war two. To describe this disease mathematically, we noted that COVID-19, due to uncertainties associated to
N.H. Sweilam   +2 more
doaj   +1 more source

An Efficient Nonstandard Finite Difference Scheme for Chaotic Fractional-Order Chen System

open access: yesIEEE Access, 2020
In this paper, an efficient nonstandard finite difference scheme for the numerical solution of chaotic fractional-order Chen system is developed. In the new method, an appropriate nonlocal framework in conjunction with the Grünwald-Letnikov ...
Beijia Wang, Liang Li, Yaowu Wang
doaj   +1 more source

Moving Mesh Non-standard Finite Difference Method for Non-linear Heat Transfer in a Thin Finite Rod [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2018
In this paper, a moving mesh technique and a non-standard finite difference method are combined, and a moving mesh non-standard finite difference (MMNSFD) method is developed to solve an initial boundary value problem involving a quartic nonlinearity ...
Morteza Bisheh-Niasar, Maryam Arab Ameri
doaj   +1 more source

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