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| 正定性与二次函数的最值及二元函数的极值 | |
| 引用本文： | 杨辉,冉红. 正定性与二次函数的最值及二元函数的极值[J]. 长春师范学院学报, 2005, 0(2) |
| 作者姓名： | 杨辉 冉红 |
| 作者单位： | 安阳工学院 河南安阳455001(杨辉)，安阳工学院 河南安阳455001(冉红) |
| 摘 要： | 本文利用二次型理论给出了二次函数最值的一个充分条件及求法 ,定义了二元齐次多项式的正定性 ,并基于定义给出了二元函数极值的一个充分条件。 |
| 关 键 词： | 正定性能 二次函数 二元函数 最值 极值 |
The Maximum of Quadratic Function and the Extremism of Two Variable Function Based on the Positive Deficite Property |
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| YANG Hui,RAN Hong. The Maximum of Quadratic Function and the Extremism of Two Variable Function Based on the Positive Deficite Property[J]. Journal of Changchun Teachers College, 2005, 0(2) | |
| Authors: | YANG Hui RAN Hong |
| Abstract: | This paper gives out a sufficient and solution of quadratic function's maximum with theory of quadratic form and gives out the define of the positive d efinite property of the following homogeneous polynomial of degree 2n two varia ble function ,based on the definite of local maximum of two variable function i s derived . |
| Keywords: | positive definite property quadratic function two variable function maximum extremism |
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