摘要
本文利用一类 K—泛函和光滑模的等价性给出了二元 Gauss—weierstrass 算子在一致逼近意义的正定理、逆空理和特征性。
In this paper,we consider the Multidimensioual Gauss—Weierstrass operator in uni- form approximatoon and obtained the direct inverse and characterizatiou theorem for f∈C_B (R^2)in view of K—functional and moduli of smoothness
出处
《宝鸡文理学院学报（自然科学版）》
CAS
1993年第2期48-52,共5页
Journal of Baoji University of Arts and Sciences(Natural Science Edition)
基金
浙江自科学基金
关键词
G-W算子
一致逼近
K泛函
光滑模
Multidimeusional Gauss-Weierstrass operators
K-functional
moduli of smoothness
Characterization of approximation order
