| 关于曲线拐点的判别法 |
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| 引用本文： | 范建华,李杰.关于曲线拐点的判别法[J].商丘职业技术学院学报,2007,6(2):19-20. |
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| 作者姓名： | 范建华 李杰 |
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| 作者单位： | 商丘职业技术学院,计算机系,河南,商丘,476000 |
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| 摘 要： | 否定了文中的定理C，并且对定理1进行了修改，通过对不同教材中拐点的判别法进行比较、分析，给出了一些拐点较为恰当的判别法．
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| 关 键 词： | 拐点 导数 判定 |
| 文章编号： | 1671-8127（2007）02-0019-02 |
| 修稿时间： | 2006-12-16 |
On the Criterion Methods of Inflection |
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| FAN Jan-hua,LI Jie.On the Criterion Methods of Inflection[J].Journal of Shangqiu Vocational and Technical College,2007,6(2):19-20. |
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| Authors: | FAN Jan-hua LI Jie |
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| Institution: | Dept.of Computer, Shangqiu Vocational and Technical College, Shangqiu 476000, China |
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| Abstract: | In this paper, we point out that theorem C in the paper 1 ] is not correct. And also we give a modified result for the theorem 1 of paper 1 ]. By comparing and analyzing different discriminating methods of the inflection point appeared in some textbooks, some proper discriminating methods on the inflection point is given. |
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| Keywords: | point of inflection derivative determine |
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