Numerical evaluation of two and three parameter Mittag-Leffler functions

R Garrappa - SIAM Journal on Numerical Analysis, 2015 - SIAM
The Mittag-Leffler (ML) function plays a fundamental role in fractional calculus but very few
methods are available for its numerical evaluation. In this work we present a method for the …

Unconditionally Convergent -Galerkin FEMs for Nonlinear Time-Fractional Schrödinger Equations

D Li, J Wang, J Zhang - SIAM Journal on Scientific Computing, 2017 - SIAM
In this paper, a linearized L1-Galerkin finite element method is proposed to solve the
multidimensional nonlinear time-fractional Schrödinger equation. In terms of a temporal …

Computing the matrix Mittag-Leffler function with applications to fractional calculus

R Garrappa, M Popolizio - Journal of Scientific Computing, 2018 - Springer
The computation of the Mittag-Leffler (ML) function with matrix arguments, and some
applications in fractional calculus, are discussed. In general the evaluation of a scalar …

Optimal-order error estimates of finite element approximations to variable-order time-fractional diffusion equations without regularity assumptions of the true solutions

X Zheng, H Wang - IMA Journal of Numerical Analysis, 2021 - academic.oup.com
We study a fully discretized finite element approximation to variable-order Caputo and
Riemann–Liouville time-fractional diffusion equations (tFDEs) in multiple space dimensions …

[HTML][HTML] Solitary wave solutions of time–space nonlinear fractional Schrödinger's equation: Two analytical approaches

MS Hashemi, A Akgül - Journal of Computational and Applied Mathematics, 2018 - Elsevier
This paper obtains analytical solution of nonlinear Schrödinger equation in both time and
space fractional terms. Two analytical approaches, Nucci's reduction method and simplest …

High-order numerical algorithms for Riesz derivatives via constructing new generating functions

H Ding, C Li - Journal of Scientific Computing, 2017 - Springer
A class of high-order numerical algorithms for Riesz derivatives are established through
constructing new generating functions. Such new high-order formulas can be regarded as …

A space-time discretization of a nonlinear peridynamic model on a 2D lamina

L Lopez, SF Pellegrino - Computers & Mathematics with Applications, 2022 - Elsevier
Peridynamics is a nonlocal theory for dynamic fracture analysis consisting in a second order
in time partial integro-differential equation. In this paper, we consider a nonlinear model of …

一类非线性时间分数阶扩散方程反问题的变分型正则化.

柳冕, 程浩, 石成鑫 - Applied Mathematics & Mechanics …, 2022 - search.ebscohost.com
一类非线性时间分数阶扩散方程反问题的变分型正则化* Page 1 应用数学和力学编委会,ISSN
1000-0887 http://www.applmathmech.cn 一类非线性时间分数阶扩散方程 反问题的变分型正则化 …

Analytical solution of the space-time fractional nonlinear Schrödinger equation

EAB Abdel-Salam, EA Yousif, MA El-Aasser - Reports on Mathematical …, 2016 - Elsevier
The space-time fractional nonlinear Schrödinger equation is solved by mean of on the
fractional Riccati expansion method. These solutions include generalized trigonometric and …

A high order numerical method and its convergence for time-fractional fourth order partial differential equations

P Roul, VMKP Goura - Applied Mathematics and Computation, 2020 - Elsevier
This paper is concerned with design and analysis of a high order numerical approach based
on a uniform mesh to approximate the solution of time-fractional fourth order partial …