Results 121 to 130 of about 778 (152)

A numerical approach for a class of nonlinear optimal control problems with piecewise fractional derivative

Chaos, Solitons & Fractals, 2021
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M.H. Heydari, M. Razzaghi
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Saturated delayed impulsive effects for fractional order nonlinear system with piecewise Caputo derivative and its application

Communications in Nonlinear Science and Numerical Simulation, 2023
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Wang, Fei, Zhang, Chuan, Li, Ning
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Exponentially Stable Periodic Oscillation and Mittag–Leffler Stabilization for Fractional-Order Impulsive Control Neural Networks With Piecewise Caputo Derivatives

IEEE Transactions on Cybernetics, 2022
It is well known that the conventional fractional-order neural networks (FONNs) cannot generate nonconstant periodic oscillation. For this point, this article discusses a class of impulsive FONNs with piecewise Caputo derivatives (IPFONNs). By using the differential inclusion theory, the existence of the Filippov solutions for a discontinuous IPFONNs ...
Tianwei Zhang, Jianwen Zhou, Yongzhi Liao   +2 more
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Performance of Ritz‐Piecewise Gegenbauer Approach for Two Types of Fractional Pantograph Equations Including Piecewise Fractional Derivative

Mathematical Methods in the Applied Sciences
ABSTRACTThis paper introduces a novel numerical algorithm for solving pantograph differential equations and Volterra functional integro‐differential equations including the piecewise fractional derivative. The proposed algorithm combines the piecewise Gegenbauer functions, the Ritz method, and operational matrices.
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Extremal solutions for periodic problems of fractional impulsive evolution equation with piecewise Caputo derivative

Research in the Mathematical Sciences
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Qiang Li, Weili Zhou
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A MATHEMATICAL MODEL FOR NIPAH VIRUS DISEASE BY USING PIECEWISE FRACTIONAL ORDER CAPUTO DERIVATIVE

Fractals
In the Caputo sense, the goal of this paper is to develop a thorough analysis for the Nipah virus sickness under piecewise equations with fractional order derivative. Here, we take into account a SIRD-type model with classes for susceptible, infected, recovered, and dead individuals.
KAMAL SHAH, AZIZ KHAN, BAHAAELDIN ABDALLA, THABET ABDELJAWAD, KHALID ALI KHAN   +4 more
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Mathematical Modeling of Fractional-Differential Dynamics of Computer Viruses Based on a Model with Caputo Derivatives of Piecewise-Constant Order

Cybernetics and Systems Analysis
A generalized fractional-differential analog with respect to the known models of the dynamics of the propagation of computer viruses, built using Caputo derivatives of piecewise-constant order, is considered. A combined technique for obtaining a numerical-analytical solution of the corresponding Cauchy problem for a nonlinear system of fractional ...
V.M. Bulavatsky, V.O. Bohaienko
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On new updated concept for delay differential equations with piecewise Caputo fractional-order derivative

Waves in Random and Complex Media, 2023
Khursheed Jamal Ansari, null Asma, Fatima Ilyas, Kamal Shah, Aziz Khan, Thabet Abdeljawad   +5 more
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Mathematical analysis of the Cauchy type dynamical system under piecewise equations with Caputo fractional derivative

Chaos, Solitons & Fractals, 2022
Shah, Kamal, Abdeljawad, Thabet, Ali, Arshad   +2 more
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Immunogenicity and safety of fractional doses of yellow fever vaccines: a randomised, double-blind, non-inferiority trial

Lancet, The, 2021
Derick Kimathi, Kyra H Grantz, Mainga M Hamaluba   +2 more
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