摘要
讨论了二元函数和三元函数在有无穷多个驻点时的极值的判定方法,并进一步介绍了该判定方法在证明不等式方面的应用.
The article elaborates the judging methods of the extremum when bivariables and tri-variables have limitless stationary points.It gives further introduction about the application of such judging merhods to prove inequalities.
出处
《大学数学》
2011年第3期189-193,共5页
College Mathematics
关键词
多元函数
驻点
极值
偏导数
function of several variables
stationary point
extremum
partial derivatives
