Results 61 to 70 of about 229 (177)

APPROXIMATING SMOOTH, MULTIVARIATE FUNCTIONS ON IRREGULAR DOMAINS

Forum of Mathematics, Sigma, 2020
In this paper, we introduce a method known as polynomial frame approximation for approximating smooth, multivariate functions defined on irregular domains in $d$ dimensions, where $d$ can be arbitrary. This method is simple, and relies only on orthogonal
BEN ADCOCK, DAAN HUYBRECHS
doaj   +1 more source

Eighteenth Order Convergent Method for Solving Non-Linear Equations

, 2017
In this paper, we suggest and discuss an iterative method for solving nonlinear equations of the type f(x)=0 having eighteenth order convergence. This new technique based on Newton’s method and extrapolated Newton’s method.
Ramadevi Sri, M.S Mylapalli, V.B Vatti
core   +1 more source

A General Approximation Approach for the Simultaneous Treatment of Integral and Discrete Operators

Advanced Nonlinear Studies, 2018
In this paper, we give a unitary approach for the simultaneous study of the convergence of discrete and integral operators described by means of a family of linear continuous functionals acting on functions defined on locally compact Hausdorff ...
Vinti Gianluca, Zampogni Luca
doaj   +1 more source

Теглова апроксимация с операторите на Майер-Кьониг и Целер

, 2015
[Gadjev Ivan; Гаджев Иван]AMS Subject Classification : 41A36, 41A25, 41A27 ...
Gadjev, Ivan
core  

A−Summation process in the space of locally integrable functions

, 2020
In this paper, using the concept of summation process, we give a Korovkin type approximation theorem for a sequence of positive linear operators acting from Lp,q (loc) , the space of locally integrable functions, into itself.
ORHAN, Cihan, ȘAHIN BAYRAM, Nilay
core   +1 more source

On approximation by Stancu variant of Bernstein-Durrmeyer-type operators in movable compact disks

Demonstratio Mathematica
In this study, we introduce a kind of Stancu variant of the complex Bernstein-Durrmeyer-type operators in movable compact disks. Their approximation properties for analytic functions in the movable compact disks are investigated.
Yu Danshegn, Pang Zhaojun
doaj   +1 more source

Richards's curve induced Banach space valued multivariate neural network approximation. [PDF]

Arab J Math, 2023
Anastassiou GA, Karateke S.
europepmc   +1 more source

Sharp inequalities for the rates of convergence of the iterates of some operators which preserve the constants

, 2021
In this paper we give estimates for the rates of convergence for the iterates of some positive linear operators which preserve only the constants. We obtain sharp inequalities when we use both continuous functions and differen- tiable functions.
BIROU, Marius Mihai
core   +1 more source

Matrix summability methods on the approximation of multivariate q-MKZ operators

, 2011
In this paper, a q-based generalization of Meyer-Konig and Zeller (MKZ) operators in several variables are introduced. A Korovkin-type approximation theorem via A-statistical convergence is obtained and their various A-statistical approximation ...
Husna Zayadi
core   +1 more source

Goal-oriented adaptive finite element methods with optimal computational complexity. [PDF]

Numer Math (Heidelb), 2023
Becker R, Gantner G, Innerberger M, Praetorius D.   +3 more
europepmc   +1 more source