Results 11 to 20 of about 369 (174)

Exact and Numerical Analysis of the Pantograph Delay Differential Equation via the Homotopy Perturbation Method

open access: yesMathematics, 2023
The delay differential equations are of great importance in real-life phenomena. A special type of these equations is the Pantograph delay differential equation.
Abdulrahman B. Albidah   +3 more
doaj   +3 more sources

Variational iteration method for solving a generalized pantograph equation

open access: yesComputers and Mathematics With Applications, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Abbas Saadatmandi, Mehdi Dehghan
exaly   +2 more sources

On the asymptotic behavior of the pantograph equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 1998
Our aim is studing the asymptotic behaviour of the solutions of the equation $\dot x(t) = -a(t)x(t)+a(t)x(pt)$ where ...
Géza Makay, J. Terjéki
doaj   +3 more sources

Accurate Solution for the Pantograph Delay Differential Equation via Laplace Transform

open access: yesMathematics, 2023
The Pantograph equation is a fundamental mathematical model in the field of delay differential equations. A special case of the Pantograph equation is well known as the Ambartsumian delay equation which has a particular application in Astrophysics.
Reem Alrebdi, Hind K. Al-Jeaid
doaj   +1 more source

Qualitative Properties of Positive Solutions of a Kind for Fractional Pantograph Problems using Technique Fixed Point Theory

open access: yesFractal and Fractional, 2022
The current paper intends to report the existence and uniqueness of positive solutions for nonlinear pantograph Caputo–Hadamard fractional differential equations.
Hamid Boulares   +4 more
doaj   +1 more source

An Analysis of the Theta-Method for Pantograph-Type Delay Differential Equations

open access: yesComplexity, 2022
The pantograph equation arises in electrodynamics as a delay differential equation (DDE). In this article, we provide the ϑ-method for numerical solutions of pantograph equations. We investigate the stability conditions for the numerical schemes.
Fathalla A. Rihan, Ahmed F. Rihan
doaj   +1 more source

Existence and Uniqueness Results for a Pantograph Boundary Value Problem Involving a Variable-Order Hadamard Fractional Derivative

open access: yesAxioms, 2023
This paper discusses the problem of the existence and uniqueness of solutions to the boundary value problem for the nonlinear fractional-order pantograph equation, using the fractional derivative of variable order of Hadamard type.
Kadda Maazouz   +2 more
doaj   +1 more source

Approximation Algorithm for a System of Pantograph Equations [PDF]

open access: yesJournal of Applied Mathematics, 2012
We show how to adapt an efficient numerical algorithm to obtain an approximate solution of a system of pantograph equations. This algorithm is based on a combination of Laplace transform and Adomian decomposition method. Numerical examples reveal that the method is quite accurate and efficient, it approximates the solution to a very high degree of ...
Sabir Widatalla, Mohammed Abdulai Koroma
openaire   +4 more sources

On the asymptotics of the trapezoidal rule for the pantograph equation [PDF]

open access: yesMathematics of Computation, 2009
The paper deals with the trapezoidal rule discretization of a class of linear delay differential equations, with a special emphasis on equations with a proportional delay. Our purpose is to analyse the asymptotic properties of the numerical solutions and formulate their upper bounds.
Jan Cermák, Jirí Jánský
openaire   +2 more sources

Solutions for impulsive fractional pantograph differential equation via generalized anti-periodic boundary condition

open access: yesAdvances in Difference Equations, 2020
This study investigates the solutions of an impulsive fractional differential equation incorporated with a pantograph. This work extends and improves some results of the impulsive fractional differential equation.
Idris Ahmed   +4 more
doaj   +1 more source

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