| 上凸函数的充要条件 |
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| 引用本文： | 陈浩,杨二光. 上凸函数的充要条件[J]. 宿州学院学报, 2001, 16(4): 46-48 |
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| 作者姓名： | 陈浩 杨二光 |
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| 作者单位： | 宿州师范专科学校,数学系,安徽,宿州,234000 |
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| 摘 要： | 上凸函数是一类重要函数,本文给出了上凸函数的两个充要条件,并用二进制小数、有理数列逼近无理数的方法证明了这两个充要条件.
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| 关 键 词： | 上凸函数 充要条件 二进制 有界 连续 |
| 文章编号： | 1009-041X(2001)04-0046-03 |
The Necessary and Sufficient Conditions of the Upward Convex Function |
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| CHEN Hao,YANG Er-guang. The Necessary and Sufficient Conditions of the Upward Convex Function[J]. Journal of Shuzhou College, 2001, 16(4): 46-48 |
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| Authors: | CHEN Hao YANG Er-guang |
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| Abstract: | The upward convex function is important. In this paper,the two necessary and sufficient conditions of the upward convex function is given, and then the proof is provided by the binary fraction and the approximation by rational numbers. |
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| Keywords: | upward convex function necessary and sufficient condition binary system boundary continuity |
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