Application of the Taylor Formula to Judging the Concavity，
Convexity and Flecnode of a Function

Journal of Chongqing Jiaotong University(Natural Science) ›› 2007, Vol. 26 ›› Issue (4): 160-161.

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Application of the Taylor Formula to Judging the Concavity， Convexity and Flecnode of a Function

YAN Zhen-xiang，SHEN Jia-hua

Basic Science Department，Shanghai Maritime University，Shanghai 200135，China

Received:2006-04-14 Revised:2006-05-12 Online:2007-08-15 Published:2015-05-18

泰勒公式在函数凹凸性及拐点判断中的应用

严振祥，沈家骅

上海海事大学基础部，上海 200135

作者简介:严振祥(1948—），男，上海市人，副教授，从事数学教学和数字应用研究.E—mail：jhshen@dbc.shmtu.edu.

Abstract

Abstract: The concavity and convexity of a function were confirmed by using the Taylor form ula，and an easier approach for judging the flecnode of function was got．

Key words: taylor form ula, function, concavity and convexity, flecnode

摘要： 利用泰勒公式讨论了函数的凹凸性，并获得一个判别拐点的较为简单的方法，

关键词: 泰勒公式, 函数, 凹凸, 拐点

CLC Number:

O174

YAN Zhen-xiang，SHEN Jia-hua. Application of the Taylor Formula to Judging the Concavity， Convexity and Flecnode of a Function[J]. Journal of Chongqing Jiaotong University(Natural Science), 2007, 26(4): 160-161.

严振祥，沈家骅. 泰勒公式在函数凹凸性及拐点判断中的应用[J]. 重庆交通大学学报（自然科学版）, 2007, 26(4): 160-161.

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Application of the Taylor Formula to Judging the Concavity， Convexity and Flecnode of a Function

泰勒公式在函数凹凸性及拐点判断中的应用

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