Approximation methods for solving fractional equations

SS Zeid - Chaos, Solitons & Fractals, 2019 - Elsevier
In this review paper, we are mainly concerned with the numerical methods for solving
fractional equations, which are divided into the fractional differential equations (FDEs), time …

An optimization technique for solving a class of nonlinear fractional optimal control problems: application in cancer treatment

H Hassani, JAT Machado, S Mehrabi - Applied Mathematical Modelling, 2021 - Elsevier
This paper proposes an optimization method for solving a general form of nonlinear
fractional optimal control problems (NFOCP) governed by nonlinear fractional dynamical …

Rational spectral methods for PDEs involving fractional Laplacian in unbounded domains

T Tang, LL Wang, H Yuan, T Zhou - SIAM Journal on Scientific Computing, 2020 - SIAM
Many PDEs involving fractional Laplacian are naturally set in unbounded domains with
underlying solutions decaying slowly and subject to certain power law. Their numerical …

An L1 type difference/Galerkin spectral scheme for variable-order time-fractional nonlinear diffusion–reaction equations with fixed delay

MA Zaky, K Van Bockstal, TR Taha, D Suragan… - … of Computational and …, 2023 - Elsevier
A linearized spectral Galerkin/finite difference approach is developed for variable fractional-
order nonlinear diffusion–reaction equations with a fixed time delay. The temporal …

Efficiently solving fractional delay differential equations of variable order via an adjusted spectral element approach

N Ayazi, P Mokhtary, BP Moghaddam - Chaos, Solitons & Fractals, 2024 - Elsevier
This paper presents a new approach for solving fractional delay differential equations of
variable order using the spectral element method. The proposed method overcomes the …

A Unified Fast Memory-Saving Time-Step** Method for Fractional Operators and Its Applications.

Y Huang, Q Li, R Li, F Zeng… - … : Theory, Methods & …, 2022 - search.ebscohost.com
Time-dependent fractional partial differential equations typically require huge amounts of
memory and computational time, especially for long-time integration, which taxes …

Adaptive numerical solutions of time-fractional advection–diffusion–reaction equations

A Jannelli - Communications in Nonlinear Science and Numerical …, 2022 - Elsevier
In this paper, we propose an adaptive procedure, recently developed for fractional ordinary
differential equations, for the solutions of time-fractional advection–diffusion–reaction …

Generalized shifted Chebyshev polynomials: Solving a general class of nonlinear variable order fractional PDE

H Hassani, JAT Machado, Z Avazzadeh… - … in Nonlinear Science …, 2020 - Elsevier
We introduce a new general class of nonlinear variable order fractional partial differential
equations (NVOFPDE). The NVOFPDE contains, as special cases, several partial differential …

[PDF][PDF] Two methods addressing variable-exponent fractional initial and boundary value problems and Abel integral equation

X Zheng - arxiv preprint arxiv:2404.09421, 2024 - researchgate.net
Variable-exponent fractional models attract increasing attentions in various applications,
while the rigorous analysis is far from well developed. This work provides general tools to …

[HTML][HTML] Dynamical behavior of reaction–diffusion neural networks and their synchronization arising in modeling epileptic seizure: a numerical simulation study

MM Moayeri, JA Rad, K Parand - Computers & Mathematics with …, 2020 - Elsevier
Excessive synchronizations of neurons in the brain networks can be a reason for some
episodic disorders such as epilepsy. In this paper, we simulate neural dynamic models and …