| |x|在第二类Chebyshev结点的有理逼近 |
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| 引用本文： | 张慧明,李建俊.|x|在第二类Chebyshev结点的有理逼近[J].郑州大学学报(理学版),2010,42(2). |
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| 作者姓名： | 张慧明 李建俊 |
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| 作者单位： | 1. 石家庄经济学院,数理学院,河北,石家庄,050031
2. 河北师范大学附属民族学院,数信系,河北,石家庄,050091 |
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| 摘 要： | 研究|x|在第二类Chebyshev结点的有理逼近,得到逼近阶为O〔1/nlogn〕.
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| 关 键 词： | 有理逼近 Newman型有理算子 第二类Chebyshev结点 |
Rational Approximation to |x| at the Chebyshev Nodes of the Second Kind |
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| ZHANG Hui-ming
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LI Jian-jun.Rational Approximation to |x| at the Chebyshev Nodes of the Second Kind[J].Journal of Zhengzhou University:Natural Science Edition,2010,42(2). |
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| Authors: | ZHANG Hui-ming LI Jian-jun |
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| Institution: | ZHANG Hui-ming1,LI Jian-jun2(1.College of Mathematics & Physics,Shijiazhuang University of Economics,Shijiazhuang 050031,China,2.Department of Mathematics & Information Science,Affiliated College of Minority Education,Hebei Normal University,Shijiazhuang 050091,China) |
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| Abstract: | |
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| Keywords: | rational approximation Newman-type rational operators the second kind of Chebyshev nodes |
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