Results 41 to 50 of about 54,244 (231)

Neural Network-Based Adaptive Tracking Control for a Class of Nonlinear Singularly Perturbed Systems

open access: yesIEEE Access, 2019
In this paper, the neural network-based adaptive tracking control method is addressed for a class of multi-input affine unknown nonlinear singularly perturbed systems.
Hao Wang, Chunyu Yang, Song Zhu
doaj   +1 more source

Asymptotic and Pseudoholomorphic Solutions of Singularly Perturbed Differential and Integral Equations in the Lomov’s Regularization Method

open access: yesAxioms, 2019
We consider a singularly perturbed integral equation with weakly and rapidly varying kernels. The work is a continuation of the studies carried out previously, but these were focused solely on rapidly changing kernels.
Abduhafiz Bobodzhanov   +2 more
doaj   +1 more source

Cholesky factorisation of linear systems coming from finite difference approximations of singularly perturbed problems

open access: yes, 2015
We consider the solution of large linear systems of equations that arise when two-dimensional singularly perturbed reaction-diffusion equations are discretized.
Madden, Niall, Nhan, Thái Anh
core   +1 more source

Septic B-spline method for second order self-adjoint singularly perturbed boundary-value problems

open access: yesAin Shams Engineering Journal, 2018
In the present paper, we develop a septic B-spline method for solving a self-adjoint singularly perturbed two-point boundary value problem. This method is applied directly to the numerical solution of the problems without reducing its order.
Ram Kishun Lodhi, Hradyesh Kumar Mishra
doaj   +1 more source

An integrated approach to global synchronization and state estimation for nonlinear singularly perturbed complex networks [PDF]

open access: yes, 2015
This paper aims to establish a unified framework to handle both the exponential synchronization and state estimation problems for a class of nonlinear singularly perturbed complex networks (SPCNs).
Alsaadi, FE   +4 more
core   +1 more source

A singularly perturbed Cauchy problem

open access: yesJournal of Mathematical Analysis and Applications, 1979
Singular perturbations are considered for the initial value problem for second order hyperbolic equations with a small positive parameter multiplying the second order time derivative term. Thus, in contrast to recent work of de Jager and Geel, the reduced equation is of the same order as the original equation but of a different type.
Hsiao, George C., Weinacht, Richard J.
openaire   +1 more source

Solving singularly perturbed differential equations in intuitionistic fuzzy environment

open access: yesAin Shams Engineering Journal
In this paper, we introduce and study singularly perturbed intuitionistic fuzzy initial value and boundary value problems. We develop a method based on the intuitionistic fuzzy version of Zadeh's extension principle to compute (α,β)-cuts for solutions to
Selami Bayeğ
doaj   +1 more source

Robust numerical method for singularly perturbed differential equations with large delay

open access: yesDemonstratio Mathematica, 2021
In this paper, a singularly perturbed differential equation with a large delay is considered. The considered problem contains a large delay parameter on the reaction term. The solution of the problem exhibits the interior layer due to the delay parameter
Abdulla Murad Ibrahim   +2 more
doaj   +1 more source

Singularly perturbed elliptic problems with nonautonomous asymptotically linear nonlinearities

open access: yes, 2014
We consider a class of singularly perturbed elliptic problems with nonautonomous asymptotically linear nonlinearities. The dependence on the spatial coordinates comes from the presence of a potential and of a function representing a saturation effect. We
Ambrosetti   +31 more
core   +1 more source

A singularly perturbed Kirchhoff problem revisited [PDF]

open access: yesJournal of Differential Equations, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Li, Gongbao   +5 more
openaire   +2 more sources

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