In the paper, the sufficient conditions of instability theorems with nought solution for two classes of nonlinear systems are established,then some systems of lower order are studied and better results are obtained.
In the paper, the sufficient conditions of instability theorems with nought solution for two classes of nonlinear systems are established,then some systems of lower order are studied and better results are obtained.
给出了两类非线性系统的零解不稳定的充分条件,并讨论了一些低阶实例,得到了较好的结果。