Results 31 to 40 of about 141 (135)

Numerical Solution of Fractional Diffusion-Wave Equation with two Space Variables by Matrix Method [PDF]

open access: yes, 2010
Mathematics Subject Classi¯cation 2010: 26A33, 65D25, 65M06, 65Z05.In the present paper we solve space-time fractional diffusion-wave equation with two space variables, using the matrix method.
Manohar, Pratibha, Garg, Mridula
core  

Modelling and analysis of fractal-fractional partial differential equations: Application to reaction-diffusion model

open access: yesAlexandria Engineering Journal, 2020
In this paper, an extension is paid to an idea of fractal and fractional derivatives which has been applied to a number of ordinary differential equations to model a system of partial differential equations.
Kolade M. Owolabi   +2 more
doaj   +1 more source

Solutions of Nonlinear Parabolic PDEs: A Novel Technique Based on Galerkin‐Finite Difference Residual Corrections

open access: yesInternational Journal of Differential Equations, Volume 2025, Issue 1, 2025.
Numerical solutions for second‐order parabolic partial differential equations (PDEs), specifically the nonlinear heat equation, are investigated with a focus on analyzing residual corrections. Initially, the Galerkin weighted residual method is employed to rigorously formulate the heat equation and derive numerical solutions using third‐degree ...
Md. Shafiqul Islam   +3 more
wiley   +1 more source

A SPECTRAL METHOD FOR PANTOGRAPH-TYPE DELAY DIFFERENTIAL EQUATIONS AND ITS CONVERGENCE ANALYSIS [PDF]

open access: yes, 2009
We propose a novel numerical approach for delay differential equations with vanishing proportional delays based on spectral methods. A Legendre-collocation method is employed to obtain highly accurate numerical approximations to the exact solution. It is
Hermann Brunner, Ishtiaq Ali, Tao Tang
core  

Making conditionally negative definite radial basis function interpolation well-conditioned by adding cardinal basis functions

open access: yesAin Shams Engineering Journal, 2018
A class of basis functions so called well-conditioned RBF (WRBFs) has been introduced. This basis has been manipulated by adding cardinal functions to the conditionally negative definite RBFs of order 1, such as Multiquadric functions 1+(∊r)2 (MQ) and ...
Saeed Kazem   +2 more
doaj   +1 more source

A Fitted Linear Multistep Approach for Singularly Perturbed Parabolic‐Type Reaction–Diffusion Problems Using Shishkin Meshes

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2025, Issue 1, 2025.
This paper presents a class of singularly perturbed parabolic‐type reaction diffusion problems. Due to the presence of a small parameter ε, (0 < ε ≪ 1) as a diffusion coefficient, the proposed problem exhibits twin boundary layers in the neighborhood of the end points of the spatial domain near x = 0 and x = 1.
Amare Worku Demsie   +3 more
wiley   +1 more source

A Compact Alternating Direction Implicit Scheme for Two-Dimensional Fractional Oldroyd-B Fluids [PDF]

open access: yes, 2015
[Vasileva Daniela; Василева Даниела]; [Bazhlekov Ivan; Бажлеков Иван]; [Bazhlekova Emilia; Бажлекова Емилия]The two-dimensional Rayleigh-Stokes problem for a generalized Oldroyd-B fluid is considered in the present work.
Bazhlekova, Emilia   +3 more
core  

Finite difference scheme for a high order nonlinear Schrödinger equation with localized damping

open access: yes, 2019
In this work we present a finite difference scheme used to solve a High order Nonlinear Schrödinger Equation. These equations can model the propagation of solitons travelling in fiber optics ([3], [11]).
SEPÚLVEDA C., Mauricio A.   +3 more
core   +1 more source

Viscous dissipative free convective flow from a vertical cone with heat generation/absorption, MHD in the presence of radiative non-uniform surface heat flux

open access: yes, 2020
The problem of combined effect of heat generation/absorption and thermal radiation on unsteady, laminar, natural convective movement with MHD, viscous dissipation over a vertical cone in the presence of variable heat flux is considered. The converted FDE’
KANNAN , Rayampettai Munisamy   +1 more
core   +1 more source

Nonstandard Finite Difference Schemes with Application to Finance: Option Pricing [PDF]

open access: yes, 2010
2000 Mathematics Subject Classification: 65M06, 65M12.The paper is devoted to pricing options characterized by discontinuities in the initial conditions of the respective Black-Scholes partial differential equation. Finite difference schemes are examined
Milev, Mariyan, Tagliani, Aldo
core  

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