extremum

英[iks'tri:məm]美[iks'tri:məm]

n.
1.极值

同：	[n.] extreme, extreme point, peak

extreme [extremum] values
极值收藏
Then, with condition, extremum and Lagrange function aim at under specific yield to make risk reach minimum economic proposition to establish model. And combine example, calculate using MATLAB software and reach investment proportion.
然后，运用条件极值和拉格朗日函数，针对在特定收益率下使风险达到最小的经济命题建立模型，并结合实例，利用MATLAB软件加以计算，得出最佳投资比例。收藏

the point located farthest from the middle of something
[同] extreme, extreme point, extremum
the most extreme possible amount or value
- voltage peak
[同] extremum, peak

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