Alleviated shifted Gegenbauer spectral method for ordinary and fractional differential equations

SM Sayed, AS Mohamed, EMA El-Dahab… - Contemporary …, 2024 - ojs.wiserpub.com
This article introduces two numerical methods to address boundary value problems
associated with secondorder and fractional differential equations. These methods employ …

A compact combination of second-kind Chebyshev polynomials for Robin boundary value problems and Bratu-type equations

SM Sayed, AS Mohamed, EM Abo-Eldahab… - Journal of Umm Al-Qura …, 2024 - Springer
This paper presents a new algorithm for resolving linear and non-linear second-order Robin
boundary value problems (BVPS) and the Bratu-type equations in one and two dimensions …

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) …

Spectral Collocation Approach with Shifted Chebyshev Third-Kind Series Approximation for Nonlinear Generalized Fractional Riccati Equation

AG Atta - International Journal of Applied and Computational …, 2024 - Springer
This study presents a new efficient collocation approach to handle the nonlinear generalized
fractional Riccati equation. The linearization formula of the product of two shifted Chebyshev …

[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 …

[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 …

Diurnal and seasonal variation of GPS-TEC during a low solar activity period at EIA region (Bhopal)

A Pal, R Trivedi, A Jain, S Jain - The Scientific Temper, 2024 - scientifictemper.com
The ionosphere near the equatorial ionization anomaly crest region in the Indian
ionospheric sector was studied from May 2016 to April 2017, a solar minimum period. Total …

[PDF][PDF] Hybrid shifted polynomial scheme for the approximate solution of a class of nonlinear partial differential equations

AE Adenipekun, AS Onanaye, OJ Adeleke… - … Journal of Science & …, 2024 - researchgate.net
This research focuses on the development of a streamlined numerical technique founded on
the hybridization of two shifted polynomial basis functions to address a specific category of …

Thermoelastic response of a finite thick annular disc with radiation-type conditions via time fractional-order effects

R Chaware, S Anwar, S Prayagi - The Scientific Temper, 2024 - scientifictemper.com
The study investigates thermal interactions in a two-dimensional time fractional-order
thermoelastic problem in a homogeneous, isotropic, and perfectly conducting thick annular …