Results 1 to 10 of about 7,445 (247)

Nonstandard Dynamically Consistent Numerical Methods for ‎MSEIR Model [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
In this paper, two numerical methods for solving the MSEIR model are presented. In constructing these methods, the non-standard finite difference strategy is used.
Ali Shokri   +2 more
doaj   +1 more source

On the global attractivity and the periodic character of a recursive sequence [PDF]

open access: yesOpuscula Mathematica, 2010
In this paper we investigate the global convergence result, boundedness, and periodicity of solutions of the recursive sequence \[x_{n+1} = ax_n + \frac{bx_{n-1}+cx_{n+2}}{dx_{n-1}+ex_{n+2}}, \quad n=0,1,\ldots,\] where the parameters \(a\), \(b\), \(c\),
E. M. Elsayed
doaj   +1 more source

On the dynamical behaviors and periodicity of difference equation of order three

open access: yesJournal of New Results in Science, 2022
The major target of our research paper is to demonstrate the boundedness, stability and periodicity of the solutions of the following third- order difference equation $$ w_{n+1} = \alpha w_{n} +\frac {\beta+ \gamma w_{n_-2} }{\delta+\zeta w_{n-2}} , \;\;
Elsayed Elsayed, Ibraheem Alsulami
doaj   +1 more source

Qualitative Analyses of Integro-Fractional Differential Equations with Caputo Derivatives and Retardations via the Lyapunov–Razumikhin Method

open access: yesAxioms, 2021
The purpose of this paper is to investigate some qualitative properties of solutions of nonlinear fractional retarded Volterra integro-differential equations (FrRIDEs) with Caputo fractional derivatives.
Osman Tunç   +3 more
doaj   +1 more source

Understanding Dynamics and Bifurcation Control Mechanism for a Fractional-Order Delayed Duopoly Game Model in Insurance Market

open access: yesFractal and Fractional, 2022
Recently, the insurance industry in China has been greatly developed. The number of domestic insurance companies and foreign investment insurance companies has greatly increased.
Peiluan Li   +4 more
doaj   +1 more source

Adaptive iterative learning control with trajectory shift

open access: yesXi'an Gongcheng Daxue xuebao, 2022
In order to solve the problem of trajectory shift in iterative learning control, an adaptive iterative learning control strategy was proposed. For linear time-varying systems with unknown parameters, an adaptive parameter updating algorithm was ...
WANG Shouqin, HE Xingshi, GENG Yan
doaj   +1 more source

Stability and boundedness In nonlinear and neutral difference equations using new variation of parameters formula and fixed point theory

open access: yesCubo, 2019
In the case of nonlinear problems, whether in differential or difference equations, it is difficult and in some cases impossible to invert the problem and obtain a suitable mapping that can be effectively used in fixed point theory to qualitatively ...
Youssef N. Raffoul
doaj   +1 more source

On a system of $m$ difference equations having exponential terms

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2015
In this paper we study the asymptotic behavior of the positive solutions of a cyclic system of the following $m$ difference equations: \begin{align*} x^{(i)}_{n+1}&=a_ix_n^{(i+1)}+b_i x^{(i)}_{n-1}e^{{-x^{(i+1)}_n}},\qquad i=1,2,\ldots, m-1,\\ x^{(m)}_ ...
Garyfalos Papaschinopoulos   +2 more
doaj   +1 more source

Dynamical Analysis of Discrete-Time Two-Predators One-Prey Lotka–Volterra Model

open access: yesMathematics, 2022
This research manifesto has a comprehensive discussion of the global dynamics of an achievable discrete-time two predators and one prey Lotka–Volterra model in three dimensions, i.e., in the space R3.
Abdul Khaliq   +4 more
doaj   +1 more source

Design and Verification of Petri-Net-Based Cyber-Physical Systems Oriented toward Implementation in Field-Programmable Gate Arrays—A Case Study Example

open access: yesEnergies, 2022
This paper presents a novel design approach of a Petri-net-based cyber-physical system (CPS). The idea is oriented toward implementation in a field-programmable gate array (FPGA).
Remigiusz Wiśniewski   +2 more
doaj   +1 more source

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