摘要
本文引入梭动导数的概念 ;运用梭动导数这一工具 ,给出了点在闭轨上的一个必要条件 。
In this paper we introduced the concept of shuttling derivative, and gave a necessary condition of points be located at closed trajectory by means of shuttling derivative. It found a new way to judge the numbers of closed trajectories or limit cyoles.
出处
《湖北三峡学院学报》
2000年第5期5-11,共7页
Journal of China Three Gorges University(Humanities & Social Sciences)
关键词
轨线函数
梭动导数
闭轨函数
闭轨恒等式
Trajectory function
Shuttling derivative
Closed trajectory function
Closed trajectory identity
