Results 11 to 20 of about 3,143,040 (244)

An Operational Matrix Technique for Solving Variable Order Fractional Differential-Integral Equation Based on the Second Kind of Chebyshev Polynomials

open access: yesAdvances in Mathematical Physics, 2016
An operational matrix technique is proposed to solve variable order fractional differential-integral equation based on the second kind of Chebyshev polynomials in this paper. The differential operational matrix and integral operational matrix are derived
Jianping Liu, Xia Li, Limeng Wu
doaj   +2 more sources

A Mean Square Chain Rule and its Application in Solving the Random Chebyshev Differential Equation

open access: greenMediterranean Journal of Mathematics, 2017
In this paper a new version of the chain rule for calculating the mean square derivative of a second-order stochastic process is proven. This random operational calculus rule is applied to construct a rigorous mean square solution of the random Chebyshev
J.‐C. Cortés   +2 more
openalex   +3 more sources

Diffusion Approximation to Neutron Transport Equation with First Kind of Chebyshev Polynomials

open access: greenSüleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2015
: The first kind of Chebyshev polynomials are used for the series expansion of the neutron angular flux in neutron transport theory. The first order approximation known as the diffusion approximation is applied to one-dimensional neutron transport ...
Ökkeş EGE   +2 more
doaj   +1 more source

Spectral solutions for the time-fractional heat differential equation through a novel unified sequence of Chebyshev polynomials

open access: yesAIMS Mathematics, 2023
In this article, we propose two numerical schemes for solving the time-fractional heat equation (TFHE). The proposed methods are based on applying the collocation and tau spectral methods. We introduce and employ a new set of basis functions: The unified
W. Abd-Elhameed, H. M. Ahmed
semanticscholar   +1 more source

A Spectral Method for Two-Dimensional Ocean Acoustic Propagation

open access: yesJournal of Marine Science and Engineering, 2021
The accurate calculation of the sound field is one of the most concerning issues in hydroacoustics. The one-dimensional spectral method has been used to correctly solve simplified underwater acoustic propagation models, but it is difficult to solve ...
Xian Ma   +5 more
doaj   +1 more source

An efficient quantum partial differential equation solver with chebyshev points

open access: yesScientific Reports, 2023
Differential equations are the foundation of mathematical models representing the universe’s physics. Hence, it is significant to solve partial and ordinary differential equations, such as Navier–Stokes, heat transfer, convection–diffusion, and wave ...
Furkan Oz, O. San, Kursat Kara
semanticscholar   +1 more source

Eighth-Kind Chebyshev Polynomials Collocation Algorithm for the Nonlinear Time-Fractional Generalized Kawahara Equation

open access: yesFractal and Fractional, 2023
In this study, we present an innovative approach involving a spectral collocation algorithm to effectively obtain numerical solutions of the nonlinear time-fractional generalized Kawahara equation (NTFGKE).
W. Abd-Elhameed   +3 more
semanticscholar   +1 more source

Advanced shifted first-kind Chebyshev collocation approach for solving the nonlinear time-fractional partial integro-differential equation with a weakly singular kernel

open access: yesComputational and Applied Mathematics, 2022
This research apparatuses an approximate spectral method for the nonlinear time-fractional partial integro-differential equation with a weakly singular kernel (TFPIDE).
A. G. Atta, Youssri Hassan Youssri
semanticscholar   +1 more source

The Characteristics of the First Kind of Chebyshev Polynomials and its Relationship to the Ordinary Polynomials

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika), 2021
In this article, we discuss the Chebyshev Polynomial and its characteristics. The second order difference equation and the process obtaining the explicit solution of the Chebyshev polynomial have been given for each real number.
Ikhsan Maulidi   +3 more
doaj   +1 more source

Modal Shifted Fifth-Kind Chebyshev Tau Integral Approach for Solving Heat Conduction Equation

open access: yesFractal and Fractional, 2022
In this study, a spectral tau solution to the heat conduction equation is introduced. As basis functions, the orthogonal polynomials, namely, the shifted fifth-kind Chebyshev polynomials (5CPs), are used.
A. G. Atta   +3 more
semanticscholar   +1 more source

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