| 函数极值必要与充分条件的椎广 |
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| 引用本文： | 杨运平.函数极值必要与充分条件的椎广[J].南都学坛,1998(3). |
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| 作者姓名： | 杨运平 |
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| 作者单位： | 南阳师专数学系!473061 |
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| 摘 要： | 应用矩阵的语言，对一、二元函数的极值必要条件与充分条件作了推广，从而给出了n元函数的极值必要条件与充分条件，为多元函数极值的讨论提供了一种判别方法。
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| 关 键 词： | 极值 梯度 正定 负定 可逆 |
The popularization of the essential and sufficient conditions for the extreme value of function |
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| Yang Yunping.The popularization of the essential and sufficient conditions for the extreme value of function[J].Academic forum of nandu,1998(3). |
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| Authors: | Yang Yunping |
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| Abstract: | This paper deals with the popularization of the essential and sufficient conditions for the extreme value of function on the basis of a single and two independent variables by using matrix language.In doing so, it offers not only the essentral and sufficient conditions for the extreme value of many independent variables, but also a method of discrimination for the discussion on the extreme value of function of many independent variables. |
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| Keywords: | extreme value ladder degree positive definite negative definite reversibility |
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