Chebyshev Petrov-Galerkin procedure for the time-fractional heat equation with nonlocal conditions

YH Youssri, MI Ismail, AG Atta - Physica Scripta, 2023 - iopscience.iop.org
In this research paper, we address the time-fractional heat conduction equation in one
spatial dimension, subject to nonlocal conditions in the temporal domain. To tackle this …

An innovative pseudo-spectral Galerkin algorithm for the time-fractional Tricomi-type equation

YH Youssri, RM Hafez, AG Atta - Physica Scripta, 2024 - iopscience.iop.org
Herein, we offer semi− analytic numerical procedures for the 1− D Tricomi− type time−
fractional equation (T− FTTE). We consider the Jacobi− shifted polynomials as basis …

[HTML][HTML] Multi-order fractional nonlinear evolution equations system

BH Guswanto, N Istikaanah - Partial Differential Equations in Applied …, 2024 - Elsevier
In this paper, the existence and uniqueness of a solution to a multi-order fractional nonlinear
evolution equations system are studied by applying Banach's Fixed Point Theorem and …

Fejér-quadrature collocation algorithm for solving fractional integro-differential equations via Fibonacci polynomials

YH Youssri, AG Atta - Contemporary Mathematics, 2024 - ojs.wiserpub.com
In this article, we introduce a novel spectral algorithm utilizing Fibonacci polynomials to
numerically solve both linear and nonlinear integro-differential equations with fractional …

[HTML][HTML] Enhanced shifted Jacobi operational matrices of integrals: spectral algorithm for solving some types of ordinary and fractional differential equations

HM Ahmed - Boundary Value Problems, 2024 - Springer
We provide here a novel approach for solving IVPs in ODEs and MTFDEs numerically by
means of a class of MSJPs. Using the SCM, we build OMs for RIs and RLFI for MSJPs as …

[PDF][PDF] On Linearization Coefficients of Shifted Jacobi Polynomials

HM Ahmed, WM Abd-Elhameed - Contemporary Mathematics, 2024 - ojs.wiserpub.com
On Linearization Coefficients of Shifted Jacobi Polynomials Page 1 Contemporary Mathematics
http://ojs.wiserpub.com/index.php/CM/ Research Article On Linearization Coefficients of Shifted …

[PDF][PDF] An ε-approximate solution of BVPs based on improved multiscale orthonormal basis

Y Zhang, Y Jia, Y Lin - AIMS MATHEMATICS, 2024 - aimspress.com
In the present paper, we construct a set of multiscale orthonormal basis based on Legendre
polynomials. Using this orthonormal basis, a new algorithm is designed for solving the …

Numerical study of the non-linear time fractional Klein-Gordon equation using the Pseudo-spectral Method

S Mirzaei, A Shokri - Computational Methods for Differential …, 2024 - cmde.tabrizu.ac.ir
This paper presents a numerical scheme for solving the non-linear time fractional Klein-
Gordon equation. To approximate spatial derivatives, we employ the pseudo-spectral …

[PDF][PDF] Well-posedness and blow-up results for a time-space fractional diffusion-wave equation

Y Li, M Wang - Electronic Research Archive, 2024 - aimspress.com
In this paper, we demonstrate the local well-posedness and blow up of solutions for a class
of time-and space-fractional diffusion wave equation in a fractional power space associated …

Enhanced spectral collocation Gegenbauer approach for the time‐fractional Fisher equation

AG Atta, YH Youssri - Mathematical Methods in the Applied Sciences - Wiley Online Library
In this study, we utilize a specific combination of orthogonal Gegenbauer polynomials as
basis functions that satisfy homogeneous boundary conditions in the spatial variable and …