| Weierstrass不等式的新推广 |
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| 引用本文： | 石焕南. Weierstrass不等式的新推广[J]. 数学的实践与认识, 2002, 32(1): 132-135 |
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| 作者姓名： | 石焕南 |
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| 作者单位： | 北京联合大学职业技术师范学院电气工程系,北京,100011 |
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| 摘 要： | 利用控制不等式理论将 Weierstrass不等式 ∏ni=1( 1± xi) >1± ∑ni=1xi推广到一般初等对称函数上 ,并且给出一个上界估计 .
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| 关 键 词： | Weierstrass不等式 初等对称函数 控制理论 |
| 修稿时间： | 2000-10-11 |
A New Extension of the Weierstrass′ Inequality |
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| SHI Huan-nan. A New Extension of the Weierstrass′ Inequality[J]. Mathematics in Practice and Theory, 2002, 32(1): 132-135 |
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| Authors: | SHI Huan-nan |
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| Abstract: | The Weierstrass′ inequality are extended to general elementary symmetric fuction by means of the theory of majorization. Their converse also were established. |
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| Keywords: | Weierstrass′ inequality elementary symmetric fuction majorization |
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