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曲线凸凹性的合理定义及判定
引用本文:林潼.曲线凸凹性的合理定义及判定[J].湖北民族学院学报(哲学社会科学版),2000,18(2):49-51.
作者姓名:林潼
作者单位:广东省茂名学院,广东茂名
摘    要:针对目前曲线凸凹性的多种定义很不一致的情况,提出可统一各种定义的定义形式,并提供几个曲线凸凹性的判定定理。

关 键 词:凸函数  判定  曲线  凸性  凹性

RATIONAL DEFINITION AND DETERMINE ABOUT CURVE CONVEXITY AND CONCAVITY
LING Tong $$$$.RATIONAL DEFINITION AND DETERMINE ABOUT CURVE CONVEXITY AND CONCAVITY[J].Journal of Hubei Institute for Nationalities(Natural Sciences),2000,18(2):49-51.
Authors:LING Tong $$$$
Abstract:Being aimed at difference of many definitions about curve convexity and concavity,this paper gives a new definition which can unified different definitions,meanwhile,several theorems are provided about determining curve convexity and concavity$$$$
Keywords:Curve convexity and concavity  convex function  determine
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