| Bernstein多项式导数的点态逼近 |
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| 引用本文： | 丁春梅 王春艳. Bernstein多项式导数的点态逼近[J]. 西南民族学院学报(自然科学版), 1998, 24(1): 9-12 |
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| 作者姓名： | 丁春梅 王春艳 |
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| 作者单位： | 西北第二民族学院经济管理系(丁春梅)，黑龙江克山师专(王春艳) |
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| 摘 要： | 估计Ｂｅｒｎｓｔｅｉｎ多项式的导数对可导函数的点态逼近度，建立了逼近的正逆定理。
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| 关 键 词： | 导数 逼近 点态逼近 伯恩斯坦多项式 |
Pointwise Approximation for Derivatives of the Bernstein Polynomials |
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| Ding Chunmei. Pointwise Approximation for Derivatives of the Bernstein Polynomials[J]. Journal of Southwest Nationalities College(Natural Science Edition), 1998, 24(1): 9-12 |
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| Authors: | Ding Chunmei |
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| Affiliation: | Ding Chunmei(Northwest Second Nationalities College) Wang Chunyan(Heilongjiang Keshan Teachers College) |
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| Abstract: | The pointwise approximation degree of the derivatives of Bernstein polynomials for derivable functions is estimated,and the direct and converse theorems of approximation are established. |
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| Keywords: | Bernstein polynomials derivative approximation |
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