摘要
本文探讨一类三次系统的全局结构，用一个三阶“鞍结阵”来表示．导出９个元素的型号公式，探讨了“鞍结阵”的可实现性．
In this paper the qualitative picture of a special cubic differential system is indicated by a' Saddle-node matrix' and the realizability of the matrix is studied.
出处
《汕头大学学报（自然科学版）》
1994年第2期39-46,共8页
Journal of Shantou University：Natural Science Edition
关键词
三次系统
微分方程
积分曲线
定性理论
cubic differential system
qualitative theory of differential equations
integral curve
