摘要
研究了一类四阶非线性微分方程,运用Liapunov函数,得到了该微分方程存在周期解的充分条 件.
In this paper, a class of four order nonlinear differential equation is studied. By using the method of Liapunov function, a sufficient condition for the existence of the periodic solutions of differential equation is obtained.
出处
《曲靖师范学院学报》
2004年第6期35-37,共3页
Journal of Qujing Normal University
基金
曲靖师范学院立项资助课题"非线性动力系统解的属性研究"(0311901)
