| 关于四阶和五阶非线性系统不稳定性的新结果 |
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| 引用本文： | 孙武军,侯霞.关于四阶和五阶非线性系统不稳定性的新结果[J].新疆大学学报(理工版),1999,16(4):14-17. |
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| 作者姓名： | 孙武军 侯霞 |
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| 作者单位： | 新疆大学数学系!乌鲁木齐830046 |
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| 摘 要： | 本文运用Ｌｉａｐｕｎｏｖ直接方法研究了一类四阶五非线性系统的不稳定性问题，解决了文「１」中遗留的问题，得到了较 结果，文章最后给出了几个具体例子。
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| 关 键 词： | 非线性系统 不稳定性 李雅普诺夫函数 |
New Results About Instability of Some Fouth and Fifth Order Nonlinear Systems |
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| Sun Wujun,Hou Xia.New Results About Instability of Some Fouth and Fifth Order Nonlinear Systems[J].Journal of Xinjiang University(Science & Engineering),1999,16(4):14-17. |
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| Authors: | Sun Wujun Hou Xia |
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| Abstract: | In this paper, we studied the instability of zero solution of a class of fourth and fifth order nonlinear differential equations by using Liapwnov direct method.Questions left over by paper(1) are solved and some better results are obstained.Meanwhile we gave several concrete examples at the last part of this paper. |
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| Keywords: | fourth and fifth order nonlinear system\ instability\ Liapunov function |
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