摘要
研究修正的Szasz算子的高阶导数与函数的光滑性之间的等价关系,得到了等价定理.
Equivalence relations between the asymptotic behaviour of higher ordersderivatives of modified Szasz operators and the smoothness of the functions they approx-imation are studied, and a equivalence theorem is given.
出处
《山西师范大学学报(自然科学版)》
1999年第4期1-7,共7页
Journal of Shanxi Normal University(Natural Science Edition)