Eighth-kind Chebyshev polynomials collocation algorithm for the nonlinear time-fractional generalized Kawahara equation

WM Abd-Elhameed, YH Youssri, AK Amin… - Fractal and Fractional, 2023 - mdpi.com
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 …

Well-posedness and numerical simulations employing Legendre-shifted spectral approach for Caputo–Fabrizio fractional stochastic integrodifferential equations

H Badawi, OA Arqub, N Shawagfeh - International Journal of …, 2023 - World Scientific
This paper investigates the well-posedness of a class of FSIDEs utilizing the fractional
Caputo–Fabrizio derivative. Herein, the well-posedness proofs are constructed by …

[HTML][HTML] Pseudo-spectral matrices as a numerical tool for dealing BVPs, based on Legendre polynomials' derivatives

M Abdelhakem, H Moussa - Alexandria Engineering Journal, 2023 - Elsevier
The pseudo-spectral method is used as a technique to employ the first derivative of the well-
known Legendre polynomials (FDLs) as novel basis functions. Then, the FDLs Gauss …

Fractional delay integrodifferential equations of nonsingular kernels: existence, uniqueness, and numerical solutions using Galerkin algorithm based on shifted …

H Sweis, OA Arqub, N Shawagfeh - International Journal of Modern …, 2023 - World Scientific
This paper considers linear and nonlinear fractional delay Volterra integrodifferential
equation of order ρ in the Atangana–Beleanu–Caputo (ABC) sense. We used continuous …

Fully Jacobi–Galerkin algorithm for two-dimensional time-dependent PDEs arising in physics

RÂM Hafez, YÂH Youssri - … Journal of Modern Physics C (IJMPC), 2024 - ideas.repec.org
Herein, a pure shifted Jacobi–Galerkin (SJG) method is offered for handling linear two-
dimensional space-time diffusion and telegraph equations but by considering their …

[HTML][HTML] An efficient technique for approximated BVPs via the second derivative Legendre polynomials pseudo-Galerkin method: Certain types of applications

M Abdelhakem, M Fawzy, M El-Kady, H Moussa - Results in Physics, 2022 - Elsevier
This paper will present a highly efficient technique for solving linear and nonlinear
differential equations. We will use the second derivative of Legendre polynomials as new …

Approximating system of ordinary differential-algebraic equations via derivative of Legendre polynomials operational matrices

M Abdelhakem, D Baleanu, P Agarwal… - International Journal of …, 2023 - World Scientific
Legendre polynomials' first derivatives have been used as the basis function via the pseudo-
Galerkin spectral method. Operational matrices for derivatives have been used and …

Numerical treatment of multi-term fractional differential equations via new kind of generalized Chebyshev polynomials

WM Abd-Elhameed, MM Alsuyuti - Fractal and Fractional, 2023 - mdpi.com
The main aim of this paper is to introduce a new class of orthogonal polynomials that
generalizes the class of Chebyshev polynomials of the first kind. Some basic properties of …

[PDF][PDF] Legendre polynomials' second derivative tau method for solving Lane-Emden and Ricatti equations

M Abdelhakem, M Fawzy, M El-Kady… - Appl. Math. Inf …, 2023 - naturalspublishing.com
This paper investigates a highly efficient method that depends on the Tau method for solving
initial and boundary value problems. The second derivatives of Legendre polynomials …

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) …