| 关于一个求和算子的逼近阶 |
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| 引用本文： | 姜功建.关于一个求和算子的逼近阶[J].池州师专学报,2010(6):1-3. |
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| 作者姓名： | 姜功建 |
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| 作者单位： | 安徽师范大学数学计算机科学学院,安徽芜湖241002 |
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| 摘 要： | 设f（x）∈c2π,Un（f,x）是f（x）的基于结点x（kn）=（2kπ/2n＋1）（k=0,1,2…n）的求和算子。研究用Un（f,x）逼近f（x）的问题,得到了阶的估计。
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| 关 键 词： | 求和算子 逼近 连续模 阶 |
On the Approximation Degree of A Summable Operator |
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| Jiang Gongjian.On the Approximation Degree of A Summable Operator[J].Journal of Chizhou Teachers College,2010(6):1-3. |
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| Authors: | Jiang Gongjian |
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| Institution: | Jiang Gongjian(College of Mathematics and Computer Science,Anhui Normal University,Wuhu,Anhui,241003) |
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| Abstract: | Let x nk=（2kπ/2n＋1）（k=0,1,2,…,n）.For a function f（x）∈C2π,denote by Un（f,x）A summabe operator based on x nk.In this paper,the degree of approximation by Un（f,x） are studied. |
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| Keywords: | Summable Operator Approximation Modulus of Continuity Order |
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