...正线性算子的逼近阶_stmopen 关键词】: 算子逼近 有限振荡核 逼近阶 饱和性 [gap=688]Keywords】: approximation by operators; finite oscillatory kernel; approximation order; saturation 541 ..
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In this paper, the quantitative theorems on the approximation by multidimensional convolution operators are established.
本文建立了具有正核的多维卷积算子逼近的量化定理。
The approximation estimates of spherical functions by linder operators are given.
给出了线性算子逼近球面函数的逼近阶。
Weighted approximation by a class of linear combinations of Bernstein type operators;
给出了一类多元线性正算子线性组合在一致逼近意义下的特征刻划。
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