Results 71 to 80 of about 368,146 (227)

Reduction of Order for Systems of Ordinary Differential Equations [PDF]

open access: yesJournal of Nonlinear Mathematical Physics, 2004
This article is devoted to the reduction of ODE systems using solvable symmetry algebras. The result is given by the following theorem: If a first-order linear homogeneous PDE with \(n\) variables \(A(f)= 0\) admits a solvable symmetry algebra \(L_{n-1}\) for which the generators and the differential operator \(A\) are unconnected, then the integration
Wafo Soh, C., Mohamed, F. M.
openaire   +1 more source

Mean field theory of assortative networks of phase oscillators

open access: yes, 2014
Employing the Kuramoto model as an illustrative example, we show how the use of the mean field approximation can be applied to large networks of phase oscillators with assortativity. We then use the ansatz of Ott and Antonsen [Chaos 19, 037113 (2008)] to
Ott, Edward, Restrepo, Juan G.
core   +1 more source

Fast Spectral Collocation Method for Solving Nonlinear Time-Delayed Burgers-Type Equations with Positive Power Terms

open access: yesAbstract and Applied Analysis, 2013
Since the collocation method approximates ordinary differential equations, partial differential equations, and integral equations in physical space, it is very easy to implement and adapt to various problems, including variable coefficient and nonlinear ...
A. H. Bhrawy   +2 more
doaj   +1 more source

Solving Parabolic Partial Differential Equations using Modified Bellman's Method with G-Spline Interpolation

open access: yesمجلة بغداد للعلوم, 2010
The aim of this paper is to approximate the solution of the parabolic partial differential equations (heat equations) using Bellman's method with the cooperation of the G-spline interpolation formula.
Osama H. Mohammed
doaj   +1 more source

Minimal Noise-Induced Stabilization of One-Dimensional Diffusions [PDF]

open access: yes, 2017
The phenomenon of noise-induced stabilization occurs when an unstable deterministic system of ordinary differential equations is stabilized by the addition of randomness into the system. In this paper, we investigate under what conditions one-dimensional,
Allen, Tony   +3 more
core   +2 more sources

A novel improved extreme learning machine algorithm in solving ordinary differential equations by Legendre neural network methods

open access: yesAdvances in Differential Equations, 2018
This paper develops a Legendre neural network method (LNN) for solving linear and nonlinear ordinary differential equations (ODEs), system of ordinary differential equations (SODEs), as well as classic Emden–Fowler equations.
Yunlei Yang, Muzhou Hou, Jianshu Luo
semanticscholar   +1 more source

Affine connection adjoined to web W(1, n, 1)

open access: yesНаучный вестник МГТУ ГА, 2016
The 3-web and the system of differential equations are adjoined with an associated affine torsion-free connection (the so called canonical connection of an ordinary differential equations’ system).
A. A. Duyunova
doaj  

Systems of ordinary linear integrodifferential equations [PDF]

open access: yesApplications of Mathematics, 1959
Transient phenomena of linear physical systems (electrical, mechanical, acoustical circuits) furnish often systems of ordinary linear integro-differential equations which are not easy to solve. The existing techniques of solutions of such systems often refer to Laplace transforms.
openaire   +1 more source

Mixed Order Systems of Ordinary Linear Differential Equations

open access: yesRocky Mountain Journal of Mathematics, 2006
The paper deals with systems of higher mixed order differential equations and respective boundary value problems. The possibility of eigenfunction expansions is discussed. The attention is focused on the case when systems have constant coefficients and are equivalent to first order systems. Two problems are treated in particular.
Koné, Siaka, Móller, Manfred
openaire   +2 more sources

On the Stability of Integral Manifolds of a System of Ordinary Differential Equations in the Critical Case

open access: yesJournal of Mathematical Sciences, 2022
M. Kuptsov   +3 more
semanticscholar   +1 more source

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