摘要
根据微分学教材中函数凹凸的定义与定理,给出2个等价定义和3个等价命题,并试证明之.
According to the definition and theorem of function ＇ s protruding and concave in differential calculus teaching material, two equivalent definitions and three equivalent theorems are put forward. And relevant demonstrations are given in the paper.
出处
《鞍山师范学院学报》
2007年第2期1-4,共4页
Journal of Anshan Normal University
关键词
凹凸
单调
等价
： Protruding and Concave
Monotone
Equivalent
