摘要
运用一元函数极值的概念和有关知识 ,并联系方向导数的概念 ,得出了多元函数极值存在的几种必要条件。
Based on the concept of maximum of function of one variable and relevant knowledge as well as the concept of directional derivative ,the paper puts forward the necessary conditions for the existence of extrema of function.
出处
《黄石高等专科学校学报》
2002年第2期41-43,共3页
Journal of Huangshi Polytechnic College
