摘要
本文研究了Meyer—Konig—Zeller算子的导数对[0,1]上导函数为有界变差函数的逼近,给出了点态收敛阶。
In this paper, the approximation to the functions that its derivatives is bound- ed variation in [0, 1]by the derivatives of Meyer-Konig-Zeller operators is studed, and the degree of pointwise convergence is given.
出处
《东北师大学报(自然科学版)》
CAS
CSCD
1993年第4期25-28,共4页
Journal of Northeast Normal University(Natural Science Edition)
关键词
导数
有界变差函数
M-K-Z算子
逼近
Derivative
Function of Bounded Variation
Meyer—Konig—Zeller Operator.