摘要
利用Ｋ－泛函和光滑模给出Ｂｅｒｎｓｔｅｉｎ－Ｄｕｒｒｍｅｙｅｒ多项式Ｄｎ（ｆ，ｘ）在ＬＰ［０，１］空间中的逼近阶。
The degree of approximation of Bernstein-Durrmeyer polynomials Dn(f,x)in LP [0,1] spaces with K- functional and moduli of smoothness are given.
关键词
K-泛函
光滑模
B-D多项式
逼近阶
Bernstein- Durrmeyer polynomials
approximation
K functional
moduli ofsmoothness
