| 幂级数导生的正线性算子对无界函数的整体加权逼近 |
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| 引用本文： | 徐吉华.幂级数导生的正线性算子对无界函数的整体加权逼近[J].湖北大学学报(自然科学版),1990,12(2):117-121,126. |
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| 作者姓名： | 徐吉华 |
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| 作者单位： | 湖北大学数学系 |
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| 摘 要： | 本文讨论幂级数导生正线性算子的整体加权逼近问题,找到一种“定型”的权函数W_N(x)=e~(-Nφ(x)),并对无界函数类C_N证得整体加权逼近量化定理。
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| 关 键 词： | 权函数 整体 逼近 正线性 算子 |
GLOBAL WEIGHTED APPROXIMATION TO UNBOUNDED FUNCTIONS BY POSITIVELINEAR OPERATORS DERIVED FROM POWER SERIES |
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| Xu Jihua.GLOBAL WEIGHTED APPROXIMATION TO UNBOUNDED FUNCTIONS BY POSITIVELINEAR OPERATORS DERIVED FROM POWER SERIES[J].Journal of Hubei University(Natural Science Edition),1990,12(2):117-121,126. |
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| Authors: | Xu Jihua |
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| Institution: | Depantment of methcmaties |
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| Abstract: | in this paper we have the globat weighted approximation -rived from power series .the estimate of approvimation degree~~ |
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| Keywords: | Positive linear oper~~ |
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