Results 1 to 10 of about 876,499 (363)

Pontryagin principle for a Mayer problem governed by a delay functional differential equation

open access: yes, 2016
We establish Pontryagin principles for a Mayer's optimal control problem governed by a functional differential equation. The control functions are piecewise continuous and the state functions are piecewise continuously differentiable.
Blot, Joël, Kon\', Mamadou Ibrahima
core   +3 more sources

Computability of Ordinary Differential Equations [PDF]

open access: yes, 2018
In this paper we provide a brief review of several results about the computability of initial-value problems (IVPs) defined with ordinary differential equations (ODEs). We will consider a variety of settings and analyze how the computability of the IVP will be affected.
Graça, Daniel, Zhong, Ning
openaire   +3 more sources

Motion Planning of Uncertain Ordinary Differential Equation Systems [PDF]

open access: yes, 2011
This work presents a novel motion planning framework, rooted in nonlinear programming theory, that treats uncertain fully and under-actuated dynamical systems described by ordinary differential equations.
Hays, Joe   +3 more
core   +1 more source

Numerical Solution of Stieltjes Differential Equations

open access: yesMathematics, 2020
This work is devoted to the obtaining of a new numerical scheme based on quadrature formulae for the Lebesgue–Stieltjes integral for the approximation of Stieltjes ordinary differential equations.
Francisco J. Fernández   +1 more
doaj   +1 more source

On Nonlinear Dynamics of the STAT5a Signaling Protein

open access: yesBiomath, 2014
In this paper we model the dynamics of the cross talk between MEK/ERK and JAK/STAT signaling pathways by means of nonlinear ordinary differential equations.
Elena Nikolova   +2 more
doaj   +1 more source

Doubly Periodic Meromorphic Solutions of Autonomous Nonlinear Differential Equations

open access: yesМоделирование и анализ информационных систем, 2014
The problem of constructing and classifying elliptic solutions of nonlinear differential equations is studied. An effective method enabling one to find an elliptic solution of an autonomous nonlinear ordinary differential equation is described.
M. V. Demina, N. A. Kudryashov
doaj   +1 more source

Four Steps Implicit Method for the Solution of General Second Order Ordinary Differential Equations [PDF]

open access: yes, 2009
Four steps implicit scheme for the solution of second order ordinary differential equation was derived through interpolation and collocation method. Newton polynomial approximation method was used to generate the unknown parameters in the corrector ...
Adesanya, A.O.   +3 more
core  

Similarity solutions of Fokker-Planck equation with time-dependent coefficients

open access: yes, 2011
In this work, we consider the solvability of the Fokker-Planck equation with both time-dependent drift and diffusion coefficients by means of the similarity method.
Bluman   +21 more
core   +1 more source

Numerical Solution of the Bagley-Torvik Equation Using the Integer-Order Derivatives Expansion

open access: yesScience Journal of University of Zakho, 2018
Numerical solution of the well-known Bagley-Torvik equation is considered. The fractional-order derivative in the equation is converted, approximately, to ordinary-order derivatives up to second order.
Afrah S. Hasan
doaj   +1 more source

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