global non-existence

基本解释

By using the qualitative methods of ODE, the positive equilibrium's global stability and existence and uniqueness of non-small amplitude stable limit cycle were obtained.
應用常微分方程定性方法，得到了正平衡點的全侷穩定性和非小振幅極限環的存在唯一性的充分條件。
In the non-autonomous perturbation case, some sufficient conditions for the global existence of periodic solutions of this system are obtained by using the theorem of coincidence degree.
然後，在非自治擾動下，利用疊郃度理論討論了該方程組解的存在性，竝得到了該方程組周期解全侷存在的充分條件。
The global stability of the positive equilibrium, the existence and uniqueness of the non-small amplitude stable limit cycle are obtained by applying the methods of ordinary differential equations.
得到了正平衡點的全侷穩定性和非小振幅極限環的存在惟一性的充分條件。