Univariate Shepard operators combined with least squares fitting polynomials
Abstract We obtain new univariate Shepard operators using polynomials that are constructed such that they fit the interpolation data in…
approximation of univariate functions
Properties of positive linear operators connected with squared fundamental functions
Abstract The aim of this article is to present a general class of positive linear operators of discrete type related…
Inverse interpolating splines with applications to the equation solving
Abstract AuthorsCrăciun Iancu Tiberiu Popoviciu Institute of Numerical Analysis Romania Academy, Cluj-Napoca, Romania Tiberiu Oproiu Romanian Academy Astronomical Observatory Ion…
An extension of the Cheney-Sharma operator of the first kind
Abstract AuthorsTeodora Cătinaș Babeș-Bolyai University, Faculty of Mathematics and Computer Science, Cluj-Napoca, Romania Iulia Buda Babeș-Bolyai University, Faculty of Mathematics…
Păltănea’s operators: old and new results
Abstract This note concerns the study of an approximation linear positive process introduced by R. Paltanea in 2008. Considering the…
Error estimation in the approximation of function by interpolation cubic splines
Abstract AuthorsCostica Mustata “Tiberiu Popoviciu” Institute of Numerical Analysis, Romanian Academy, Romania Keywords? Paper coordinatesC.Mustăţa, C. Iancu, Error estimation in…
Asupra formulei de interpolare a lui Hermite şi a unor aplicaţii ale acesteia
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Institutul de Calcul (Tiberiu Popoviciu Institute of Numerical Analysis), Romanian Academy Keywords?…
Asupra formulelor de cuadratură de tip Gauss
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Keywords? Paper coordinatesD.D. Stancu, Asupra formulelor de cuadratură de tip Gauss, Studia Univ.…
Asupra unor formule generale de integrare numerică
Abstract AuthorsDimitrie D. Stancu ”Babes-Bolyai” University, Cluj-Napoca, Romania Institutul de Calcul (Tiberiu Popoviciu Institute of Numerical Analysis), Romanian Academy Keywords?…
Asupra unei demonstraţii a teoremei lui Weierstrass
Abstract AuthorsDimitrie D. Stancu Institutul de Calcul (Tiberiu Popoviciu Institute of Numerical Analysis), Romanian Academy Keywords? Paper coordinatesD.D. Stancu, Asupra unei…