摘要
利用函数极小点的性质。
This paper presents a new approach to the demonstration of the relational expression of the weighted arithmetic and weighted geometric means of some positive numbers by way of the nature of the functional minimum point.
出处
《南方冶金学院学报》
1992年第3期234-236,共3页
Journal of Southern Institute of Metallurgy
关键词
加权算术平均
加权几何平均
weighted arithmetic mean, weighted geometric mean, functional minimum point, Hessian matrix, positively definite matrix
