Computational analysis of a class of singular nonlinear fractional multi-order heat conduction model of the human head

M Izadi, A Atangana - Scientific Reports, 2024 - nature.com
The subject of the article is devoted to the development of a matrix collocation technique
based upon the combination of the fractional-order shifted Vieta–Lucas functions (FSVLFs) …

[PDF][PDF] Numerical treatment of the fractional Rayleigh-Stokes problem using some orthogonal combinations of Chebyshev polynomials

WM Abd-Elhameed, AM Al-Sady, OM Alqubori, AG Atta - Aims Math, 2024 - aimspress.com
This work aims to provide a new Galerkin algorithm for solving the fractional Rayleigh-
Stokes equation (FRSE). We select the basis functions for the Galerkin technique to be …

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 …

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

WM Abd-Elhameed, HM Ahmed - Aims Math, 2024 - aimspress.com
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 …

Adopted spectral tau approach for the time-fractional diffusion equation via seventh-kind Chebyshev polynomials

WM Abd-Elhameed, YH Youssri, AG Atta - Boundary Value Problems, 2024 - Springer
This study utilizes a spectral tau method to acquire an accurate numerical solution of the
time-fractional diffusion equation. The central point of this approach is to use double basis …

A computational strategy for nonlinear time-fractional generalized Kawahara equation using new eighth-kind Chebyshev operational matrices

HM Ahmed, RM Hafez, WM Abd-Elhameed - Physica Scripta, 2024 - iopscience.iop.org
This paper presents a new method to numerically solve the nonlinear time-fractional
generalized Kawahara equations (NTFGKE) with uniform initial boundary conditions (IBCs) …

New spectral algorithm for fractional delay pantograph equation using certain orthogonal generalized Chebyshev polynomials

WM Abd-Elhameed, MM Alsuyuti - Communications in Nonlinear Science …, 2025 - Elsevier
This article presents a novel computational algorithm for solving the fractional pantograph
differential equation (FPDE). The algorithm is based on introducing a new family of …

[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] Recursive and Explicit Formulas for Expansion and Connection Coefficients in Series of Classical Orthogonal Polynomial Products

HM Ahmed, YH Youssri… - Contemporary …, 2024 - ojs.wiserpub.com
Recursive and Explicit Formulas for Expansion and Connection Coefficients in Series of
Classical Orthogonal Polynomial Products Page 1 Contemporary Mathematics http://ojs.wiserpub.com/index.php/CM …

Stability analysis and numerical evaluations of a COVID-19 model with vaccination

M Izadi, T Waezizadeh - BMC Medical Research Methodology, 2024 - Springer
A novel (nonlinear) mathematical model for the transmission of Coronavirus 19 (COVID-19)
with eight compartments and considering the impact of vaccination is examined in this …