| 有界变差函数的Tchebycheff-Fourier级数的部分和的逼近度 |
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| 引用本文： | 徐延安.有界变差函数的Tchebycheff-Fourier级数的部分和的逼近度[J].绍兴文理学院学报,1999(5). |
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| 作者姓名： | 徐延安 |
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| 作者单位： | 绍兴文理学院纺织服装系!绍兴，312000 |
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| 摘 要： | 给出了T－F级数的部分和对有界变差函数的逼近度的一个估计，并指出此估计本质上是最佳的．
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| 关 键 词： | Tchebycheff-Fourier级数 有界变差函数 逼近 |
Degree of Approximation to Functions of Bounded Variation by Partial Sum of Tchebycheff-Fourier Series |
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| Xu yanan.Degree of Approximation to Functions of Bounded Variation by Partial Sum of Tchebycheff-Fourier Series[J].Journal of Shaoxing College of Arts and Sciences,1999(5). |
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| Authors: | Xu yanan |
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| Institution: | Dept.of Textile and Garments |
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| Abstract: | An estimate of degree of approkimation to functions of bounded variation by partial sum of T-F series is given.Moreover,the estimate given here is shown to be essentially the best possible. |
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| Keywords: | Tchebycheff-Fourier series functions of biunded variation approximation |
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