摘要
本文推广了的结果,主要研究了一类Ismail-May算子线性组合的同时逼近问题,在一致通近意义下,给出了逼近的正定理、逆定理及非最优逼近阶的特征刻划.
In this paper, we considered the similtaneous approximation by combinations of Ismail-May operators and the direct and inverse theorems and the characteriza tion of approximation degree are given in (1.4).
作者
宣培才
Xuan Peicai(Department of Mathematics)
基金
浙江省自然科学基金资助项目
关键词
I-M算子
逼近
Ismail-May operators
Simultaneous approximation
linear combination
characterization of apprpximation degree