| 一类二次微分系统的相图 |
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| 引用本文： | 洪晓春.一类二次微分系统的相图[J].贵州师范大学学报(自然科学版),2004,22(2):56-57,61. |
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| 作者姓名： | 洪晓春 |
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| 作者单位： | 曲靖师范学院,初等教育系,云南,曲靖,655000 |
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| 基金项目： | 云南省教育厅自然科学研究基金资助项目(02ZY188)，曲靖师范学院基金资助项目(0321905) |
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| 摘 要： | 用微分方程定性分析方法研究了叶彦谦教授提到的一类二次微分系统的相图,得出该类系统的相图共有9种,并且给出了这9种相图。
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| 关 键 词： | 相图 二次系统 奇点 变换 |
Phase portrait of a class of quadratic differential system |
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| Abstract.Phase portrait of a class of quadratic differential system[J].Journal of Guizhou Normal University(Natural Sciences),2004,22(2):56-57,61. |
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| Authors: | Abstract |
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| Abstract: | By using the method of qualitative analysis of differential equation, the author of this paper investigates the phase portraits for a class of quadratic differential system, which is put forward by professor Ye Yanqian. In the research, the author finds nine phase portraits for this system. |
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| Keywords: | phase portrait quadratic system singular point transformation |
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