Degree of simultaneous approximation of bivariate functions by Gordon operators
type: Item
instance of: scholarly article
title: Degree of simultaneous approximation of bivariate functions by Gordon operators
zbMATH Open document ID: 0734.41022
DOI: 10.1016/0021-9045(90)90030-T
author: Heiner Gonska
published in: Journal of Approximation Theory
publication date: 1990-01-01T00:00:00Z
review text: The author investigates the degree of approximation of bivariate functions on a rectangle by various spline-blended operators, using mixed moduli of smoothness of higher orders after a generalization of a theorem of Sharma and Meir for the univariate case, he proves permanence principles for multivariate cases showing how the blending operators inherit quantitative properties from the univariate case.
Mathematics Subject Classification ID: 41A30
Mathematics Subject Classification ID: 41A28
Mathematics Subject Classification ID: 41A63
zbMATH DE Number: 4214644
zbMATH Keywords: degree of approximation of bivariate functions
zbMATH Keywords: spline-blended operators
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 4214644