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| 一类二阶非线性微分方程解的零点存在定理 | |
| 引用本文： | 郑镇汉,李亚兰. 一类二阶非线性微分方程解的零点存在定理[J]. 仲恺农业技术学院学报, 2008, 21(3): 59-61 |
| 作者姓名： | 郑镇汉 李亚兰 |
| 作者单位： | 1. 广州航海高等专科学校,基础部广东,广州,510330 2. 仲恺农业工程学院,计算科学系,广东,广州,510225 |
| 摘 要： | 通过建立两个微分恒等式，讨论了一类二阶非线性微分方程解的零点存在性，得到了2个非线性微分方程解的零点存在定理，并以实例说明了其有效性． |
| 关 键 词： | 二阶非线性微分方程 微分恒等式 零点 |
The existence theorem of zero-point for one class of second order nonlinear differential equation |
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| ZHENG Zhen-han,LI Ya-lan. The existence theorem of zero-point for one class of second order nonlinear differential equation[J]. Journal of Zhongkai Agrotechnical College, 2008, 21(3): 59-61 | |
| Authors: | ZHENG Zhen-han LI Ya-lan |
| Affiliation: | ZHENG Zhen-han, LI Ya-lan (1. Department of Basic Courses, Guangzhou Maritime College, Guangzhou 510725, China; 2. Department of Computational Science. Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China) |
| Abstract: | With two differential identities set up,the existence of zero-point of solutions for one class of second order nonlinear differential equation was discussed,two existence theorems of zero-point were obtained,and the validity was illustrated by examples. |
| Keywords: | second order nonlinear differential equation differential zero-point. |
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