pointwise approximation order 点态逼近阶
pointwise approximation degree 点态逼近度
And we prove a weak inverse inequality, which gives a general way to solve the inverse theorem on studying pointwise approximation by ω? 2λr (f ,t)w.
四、在处理逆问题时,引入一种新的K -泛函,对它给出一个弱逆不等式,该不等式给出了用ω_(φ~λ)~(2r)(f ,t)w研究点态逼近的逆的一个一般性方法。
参考来源 - Baskakov型算子的点态逼近·2,447,543篇论文数据，部分数据来源于NoteExpress
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