Methods Nonlinear dynamical behavior of both parabolic equation and elliptic equation were investigated by several tools such as Poincare section, Lyapunov exponent, and correlation dimension.
方法利用庞加莱截面、李雅普·诺夫指数、关联维等工具分别对抛物方程和椭圆方程的非线性动力学行为进行描述。
We can obtain lots of new stable dynamical behavior when this method is extended to nonlinear transformation.
将这种方法推广到非线性（神经网络）变换，可以获得稳定的新的动力学行为。
Aim Dynamical behavior of a kind of nonlinear SEIRS model of epidemic spread with the saturated rate, which has infective force in both latent period and infected period, is studied.
目的研究一类具有饱和接触率且潜伏期、染病期均传染的非线性SEIRS流行病传播数学模型动力学性质。
Firstly we introduced the phase plane method in nonlinear dynamics to analyze qualitatively the threshold dynamical behavior of neurons in this thesis.
本文中，我们首先用非线性动力学中的相平面法来定性地分析神经元的阈值特性。
Firstly we introduced the phase plane method in nonlinear dynamics to analyze qualitatively the threshold dynamical behavior of neurons in this thesis.
本文中，我们首先用非线性动力学中的相平面法来定性地分析神经元的阈值特性。
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