Results 41 to 50 of about 33,995 (286)

Numerical Solution of Optimal Control Problems Using New Third Kind Chebyshev Wavelets Operational Matrix of Integration [PDF]

open access: yesEngineering and Technology Journal, 2014
In this paper, we first construct third kind Chebyshev wavelets on the interval [0,1). Then, a 2^k M×2^k M matrix P, named as almost third kind Chebyshev wavelets operational matrix of integration is constracted and used to reduce the optimal control ...
Asmaa Abdullah Abdurrahman
doaj   +1 more source

Almost Discrete convergence [PDF]

open access: yes, 2000
A sequence of functions {fn} is said to be (D)-convergent to f on a set X if for every x 2 X there exists a positive integer n0 = n0(x) such that fn(x) = f(x) for all n n0, and it is said to be (D a.e.)-convergent to f on X if {fn} is (D)-convergent ...
Pier Luigi Papini   +3 more
core   +1 more source

An overlapping Schwarz method for singularly perturbed fourth-order convection-diffusion type

open access: yesMathematical Modelling and Analysis, 2020
In this paper, we have constructed an iterative numerical method based on an overlapping Schwarz procedure with uniform mesh for singularly perturbed fourth-order of convection-diffusion type.
J. Christy Roja, Ayyadurai Tamilselvan
doaj   +1 more source

A uniformly convergent numerical scheme for solving singularly perturbed differential equations with large spatial delay

open access: yesSN Applied Sciences, 2022
In this study, a parameter-uniform numerical scheme is built and analyzed to treat a singularly perturbed parabolic differential equation involving large spatial delay.
Ababi Hailu Ejere   +3 more
doaj   +1 more source

Fixed-Time Sliding Mode-Based Active Disturbance Rejection Tracking Control Method for Robot Manipulators

open access: yesMachines, 2023
This work investigates the issue of a hybrid trajectory tracking control algorithm (HTCA) for robot manipulators (RMs) with uncertain dynamics and the effect of external disturbances. Following are some proposals for achieving the control target. Firstly,
Anh Tuan Vo   +3 more
doaj   +1 more source

A robust higher-order fitted mesh numerical method for solving singularly perturbed parabolic reaction-diffusion problems

open access: yesResults in Applied Mathematics, 2023
In this study, a robust higher-order numerical method for solving singularly perturbed parabolic reaction-diffusion problems is presented. The Crank-Nicolson method is applied to discretize the time derivative on a uniform mesh.
Gemechis File Duressa   +2 more
doaj   +1 more source

Strong uniform consistency rates of conditional quantile estimation in the single functional index model under random censorship

open access: yesDependence Modeling, 2018
The main objective of this paper is to non-parametrically estimate the quantiles of a conditional distribution in the censorship model when the sample is considered as an -mixing sequence.
Kadiri Nadia   +2 more
doaj   +1 more source

Local linear modelling of the conditional distribution function for functional ergodic data

open access: yesMathematical Modelling and Analysis, 2022
The focus of functional data analysis has been mostly on independent functional observations. It is therefore hoped that the present contribution will provide an informative account of a useful approach that merges the ideas of the ergodic theory and ...
Somia Ayad   +3 more
doaj   +1 more source

Global Bahadur Representation For NonParametric Censored Regression Quantiles and its Applications [PDF]

open access: yes, 2013
This paper is concerned with the nonparametric estimation of regression quantiles of a response variable that is randomly censored. Using results on the strong uniform convergence rate of U-processes, we derive a global Bahadur representation for a ...
Linton, Oliver   +2 more
core   +1 more source

Discontinuous generalized double-almost-periodic functions on almost-complete-closed time scales

open access: yesBoundary Value Problems, 2019
In this paper, we introduce the concept of almost-complete-closed time scales (ACCTS) that allows independent variables of functions to possess almost-periodicity under translations.
Chao Wang   +3 more
doaj   +1 more source

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