Results 21 to 30 of about 15,176,596 (284)

Numerical implementation of solving a control problem for loaded differential equations with multi-point condition

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2020
A linear boundary value problem with a parameter for loaded differential equations with multi-point condition is considered. The method of parameterization is used for solving the considered problem.
Zh.M. Kadirbayeva, A.D. Dzhumabaev3
doaj   +1 more source

The LS-SVM algorithms for boundary value problems of high-order ordinary differential equations

open access: yesAdvances in Difference Equations, 2019
This paper introduces the improved LS-SVM algorithms for solving two-point and multi-point boundary value problems of high-order linear and nonlinear ordinary differential equations.
Yanfei Lu   +5 more
doaj   +1 more source

Scale transition and enforcement of RVE boundary conditions in second-order computational homogenization [PDF]

open access: yes, 2007
Formulation of the scale transition equations coupling the microscopic and macroscopic variables in the second-order computational homogenization of heterogeneous materials and the enforcement of generalized boundary conditions for the representative ...
Bicanic, Nenad   +5 more
core   +1 more source

Solution of Nonlinear High Order Multi-Point Boundary Value Problems By Semi-Analytic Technique

open access: yesمجلة بغداد للعلوم, 2014
In this paper, we present new algorithm for the solution of the nonlinear high order multi-point boundary value problem with suitable multi boundary conditions. The algorithm is based on the semi-analytic technique and the solutions are calculated in the
Baghdad Science Journal
doaj   +1 more source

Comparison of outflow boundary conditions for subsonic aeroacoustic simulations [PDF]

open access: yes, 2011
Aeroacoustics simulations require much more precise boundary conditions than classical aerodynamics. Two classes of non-reflecting boundary conditions for aeroacoustics are compared in the present work: characteristic analysis based methods and Tam and ...
H. Deniau   +8 more
core   +1 more source

Multiple boundary peak solutions for some singularly perturbed Neumann problems [PDF]

open access: yes, 2000
We consider the problem \left \{ \begin{array}{rcl} \varepsilon^2 \Delta u - u + f(u) = 0 & \mbox{ in }& \ \Omega\\ u > 0 \ \mbox{ in} \ \Omega, \ \frac{\partial u}{\partial \nu} = 0 & \mbox{ on }& \ \partial\Omega, \end{array} \right. where \
Gui, Changfeng   +8 more
core   +1 more source

Multi-point boundary value problem for first order impulsive integro-differential equations with multi-point jump conditions [PDF]

open access: yesBoundary Value Problems, 2012
In this article we introduce a new definition of impulsive conditions for boundary value problems of first order impulsive integro-differential equations with multi-point boundary conditions. By using the method of lower and upper solutions in reversed order coupled with the monotone iterative technique, we obtain the extremal solutions of the boundary
Chatthai Thaiprayoon   +2 more
openaire   +1 more source

Fractional Langevin equations with multi-point and non-local integral boundary conditions [PDF]

open access: yesCogent Mathematics & Statistics, 2020
In this paper, we investigate a non-linear Langevin equation with periodic, multi-point and non-local fractional integral boundary conditions.
Ahmed Salem, Mohammad Alnegga
openaire   +1 more source

Existence results for multi-term fractional differential equations with nonlocal multi-point and multi-strip boundary conditions

open access: yesAdvances in Difference Equations, 2018
In this paper, we discuss the existence and uniqueness of solutions for a new class of multi-point and multi-strip boundary value problems of multi-term fractional differential equations by using standard fixed point theorems.
Ravi P. Agarwal   +4 more
doaj   +1 more source

Sweep algorithm for solving optimal control problem with multi-point boundary conditions [PDF]

open access: yesAdvances in Difference Equations, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mutallimov, Mutallim   +2 more
openaire   +2 more sources

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