摘要
定义了广义Lupas-Baskakov积分算子,研究该类算子的逼近性质,并建立相应的逼近等价定理:设f∈C_B[0,∞),<β<1,则①;②③三者等价。
In this paper we study the approximation properties of the generalized LupasBaskakov integral operator and obtain the corresponding duality approximation theorem,then the following three expressions are equivalent:
出处
《北方交通大学学报》
CSCD
北大核心
1995年第2期225-229,共5页
Journal of Northern Jiaotong University