Szász-Mirakjan算子导数与光滑性  

Derivatives of Szász-Mirakjan operators and smoothness

作　　者：谢林森[1] 

机构地区：[1]丽水师范专科学校,浙江丽水323000

出　　处：《浙江师大学报（自然科学版）》2000年第2期112-114,共3页Journal of Zhejiang Normal University(Natoral Sciences)

摘　　要：研究了 Szász-Mirakjan算子导数与所逼近函数光滑性之间的关系 ,给出In this paper,the author considered the relationship between derivatives of the Szász Mirakjan operators and smoothness of functions which are approximated and give the direct and inverse theorems for the derivatives of these operators.

关 键 词：SZASZ-MIRAKJAN算子 导数 光滑模 函数逼近 

分 类 号：O174.41[理学—数学] O241.5[理学—基础数学]