Results 21 to 30 of about 17,997 (206)

On numerical integration of implicit ordinary differential equations [PDF]

open access: yes, 1981
summary:In this paper it is shown how the numerical methods for ordinary differential equations can be adapted to implicit ordinary differential equations. The resulting methods are of the same order as the corresponding methods for ordinary differential
Kwapisz, Marian, Jackiewicz, Zdzisław
core   +1 more source

The Lie group Euler methods of multibody system dynamics with holonomic constraints

open access: yesAdvances in Mechanical Engineering, 2018
The Euler methods on Lie group are developed for the differential–algebraic equations of multibody system dynamics with holonomic constraints. The implicit Euler method is used to solve the differential–algebraic equations as Euler–Lagrange equations on ...
Jieyu Ding, Zhenkuan Pan
doaj   +1 more source

Approximate solutions of hybrid stochastic pantograph equations with Levy jumps [PDF]

open access: yes, 2013
We investigate a class of stochastic pantograph differential equations with Markovian switching and Levy jumps. We prove that the approximate solutions converge to the true solutions in 퐿 2 sense as well as in probability under local Lipschitz condition ...
Mao, Wei   +3 more
core   +1 more source

On a Riemann–Liouville Type Implicit Coupled System via Generalized Boundary Conditions

open access: yesMathematics, 2021
We study a coupled system of implicit differential equations with fractional-order differential boundary conditions and the Riemann–Liouville derivative.
Usman Riaz   +5 more
doaj   +1 more source

Stability analysis of nonlinear delay differential-algebraic equations and of the implicit euler methods

open access: yes上海师范大学学报. 自然科学版, 2016
We consider the stability and asymptotic stability of a class of nonlinear delay differential-algebraic equations and of the implicit Euler methods.Some sufficient conditions for the stability and asymptotic stability of the equations are given.These ...
JIANG Lanlan, JIN Xiangying, SUN Leping
doaj   +1 more source

Dichotomic Structure of DAEs Solutions for the Aircraft Control [PDF]

open access: yesINCAS Bulletin, 2009
The paper has its roots in earlier studies focused on DAEs solutions, for the aircraft flight control and intends to be a synthesis of them. The main goal is to structure the solution for the control laws so as to derive its components, which control any
Sorin Ştefan RADNEF
doaj   +1 more source

High-Order Compact Implicit Difference Methods For Parabolic Equations in Geodynamo Simulation

open access: yesAdvances in Mathematical Physics, 2009
A series of compact implicit schemes of fourth and sixth orders are developed for solving differential equations involved in geodynamics simulations. Three illustrative examples are described to demonstrate that high-order convergence rates are achieved ...
Don Liu, Weijia Kuang, Andrew Tangborn
doaj   +1 more source

Strict and non-strict inequalities for implicit first order causal differential equations

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2011
In this paper, some fundamental differential inequalities for the implicit perturbations of nonlinear first order ordinary causal differential equations have been established.
Bapurao Dhage
doaj   +1 more source

Existence Results for BVP of a Class of Generalized Fractional-Order Implicit Differential Equations

open access: yesCommunications in Advanced Mathematical Sciences, 2022
In this paper, we study the existence of solutions to boundary value problem for implicit differential equations involving generalized fractional derivative via fixed point methods.
Dvivek Vivek   +2 more
doaj   +1 more source

Waveform relaxation methods for implicit differential equations [PDF]

open access: yesAdvances in Computational Mathematics, 1997
A Runge-Kutta waveform relaxation method is applied to initial value problems for implicit differential equations. In the phase of application and computational implementation of this method there is the need of the iterative solution of a series of nonlinear systems. For high-order Runge-Kutta methods the linear algebra costs are very large.
van der Houwen, P.J., van der Veen, W.A.
openaire   +2 more sources

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