摘要
本文探讨了多元函数在区域D内只有一个驻点时,极大(极小)值就是最大(最小)值的条件。
In this paper, the conditions that the extreme value is the maximum or minimum of a multivariable function have been discussed, when there is only one critical point in the domain D.
关键词
多元函数
驻点
极值
最大值
critical point
extreme value
maximum and minimum
