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

AG Atta, YH Youssri - Computational and Applied Mathematics, 2022 - Springer
This research apparatuses an approximate spectral method for the nonlinear time-fractional
partial integro-differential equation with a weakly singular kernel (TFPIDE). The main idea of …

Explicit Chebyshev–Galerkin scheme for the time-fractional diffusion equation

M Moustafa, YH Youssri, AG Atta - International Journal of Modern …, 2024 - World Scientific
The time-fractional diffusion equation is applied to a wide range of practical applications. We
suggest using a potent spectral approach to solve this equation. These techniques' main …

Romanovski-Jacobi spectral schemes for high-order differential equations

YH Youssri, MA Zaky, RM Hafez - Applied Numerical Mathematics, 2024 - Elsevier
We develop direct solution techniques for solving high-order differential equations with
constant coefficients using the spectral tau method. The spatial approximation is based on …

Petrov-Galerkin Lucas polynomials procedure for the time-fractional diffusion equation

YH Youssri, AG Atta - Contemporary Mathematics, 2023 - ojs.wiserpub.com
Herein, we build and implement a combination of Lucas polynomials basis that fulfills the
spatial homogenous boundary conditions. This basis is then used to solve the time-fractional …

Explicit Chebyshev Petrov–Galerkin scheme for time-fractional fourth-order uniform Euler–Bernoulli pinned–pinned beam equation

M Moustafa, YH Youssri, AG Atta - Nonlinear Engineering, 2023 - degruyter.com
In this research, a compact combination of Chebyshev polynomials is created and used as a
spatial basis for the time fractional fourth-order Euler–Bernoulli pinned–pinned beam. The …

A potent collocation approach based on shifted gegenbauer polynomials for nonlinear time fractional Burgers' equations

E Magdy, WM Abd-Elhameed, YH Youssri… - Contemporary …, 2023 - ojs.wiserpub.com
This paper presents a numerical strategy for solving the nonlinear time fractional Burgers's
equation (TFBE) to obtain approximate solutions of TFBE. During this procedure, the …

New convolved Fibonacci collocation procedure for the Fitzhugh–Nagumo non-linear equation

WM Abd-Elhameed, MS Al-Harbi, AG Atta - Nonlinear Engineering, 2024 - degruyter.com
This article is dedicated to propose a spectral solution for the non-linear Fitzhugh–Nagumo
equation. The proposed solution is expressed as a double sum of basis functions that are …

Shifted Second-Kind Chebyshev Spectral Collocation-Based Technique‎ for Time-Fractional KdV-Burgers' Equation

AG Atta, Y Hassan Youssri - Iranian Journal of Mathematical …, 2023 - ijmc.kashanu.ac.ir
‎ The main goal of this research work is to provide a numerical technique based on choosing
a set of basis functions for handling the third-order time-fractional Korteweg–De Vries …

Some Properties and Applications of a New General Triple Integral Transform “Gamar Transform''

AKH Sedeeg - Complexity, 2023 - Wiley Online Library
The goal of this study is to suggest a new general triple integral transform known as Gamar
transform. Next, we compare the current transform to a number of existing triple integral …

Modified Lucas polynomials for the numerical treatment of second-order boundary value problems

YH Youssri, S Sayed, AS Mohamed… - Computational …, 2023 - cmde.tabrizu.ac.ir
This paper is devoted to the construction of certain polynomials related to Lucas
polynomials, namely, modified Lucas polynomials. The constructed modified Lucas …