摘要
利用K-泛函与光滑模之间的等价关系。
By means of the equivalence relationship between the K functional and the moduli of smoothness, the equivalence theorem of approximation for the Szász type operators in X p spaces is established.
出处
《宁夏大学学报(自然科学版)》
CAS
1997年第2期151-155,共5页
Journal of Ningxia University(Natural Science Edition)
关键词
Szász型算子
K-泛函
光滑模
XP空间
逼近
Szász type operators
K functional
moduli of smoothness
X p spaces
approximation