| 基于第二类Chebyshev多项式的双正交级数及共轭级数(英文) |
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| 引用本文： | 张培璇.基于第二类Chebyshev多项式的双正交级数及共轭级数(英文)[J].经济数学,1998(3). |
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| 作者姓名： | 张培璇 |
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| 作者单位： | 山东大学数学系!济南，250100 |
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| 摘 要： | 记Un（z）是第二类Chebyshev多项式，伴随函数，这里讨论基于的双正交级数和其共轭级数的部分和逼近问题。
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| 关 键 词： | 双正交级数 共扼级数 部分和 最佳逼近 |
BIORTHOGONAL SERIES BASED ON CHEBYSHEV POLYNOMIALS OF THE SECOND KIND AND ITS CONJUGATE SERIES |
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| Zhang Peixuan.BIORTHOGONAL SERIES BASED ON CHEBYSHEV POLYNOMIALS OF THE SECOND KIND AND ITS CONJUGATE SERIES[J].Mathematics in Economics,1998(3). |
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| Authors: | Zhang Peixuan |
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| Abstract: | Let Un(z) the Chebyshev polynomials of the second kind and the associated functions In this paper we discuss the approximations of the partial sums for the biorthogonal series based on and the corresponding conjugate series. |
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| Keywords: | biorthogonal series conjugate series partial sum best approximation |
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