函数凹凸的等价定义与命题  

Equivalent Definition and Proposition of Function's Protruding and Concave

作　　者：谭长明[1] 

机构地区：[1]鞍山师范学院财经系,辽宁鞍山114007

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

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.

关 键 词：凹凸 单调 等价 

分 类 号：O17[理学—数学]