摘要
本文主要讨论了Gauss—weierstrass算子的线性组合的一致逼近问题,给出了逼近阶的估计和特征刻划:即如f∈C(—∞,∞),L_(m,r)(f,x)表示Gauss—Weierstrass算子的线性组合。
In this paper, the uniform approximation by a linear combination of Gauss- Weier-strass operators is considered, the direct and converse results of approximation are given.
基金
浙江省自然科学基金资助课题
