【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 Szász-Mirakjan算子导数的正逆定理更多还原

【Abstract】 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.更多还原