Methods of using the D-decomposition curves to judge whether all the roots of the characteristic equation possess a negative real part are also discussed. 文中也提出了利用分划曲线来判定系统特征方程具有全部负实部根的方法。
The curves of negative real part ( decaying coefficient) and imaginary part ( decaying vibration frequency) versus uniformly distributed follower forces are obtained using quasi-Newton method. 通过拟牛顿法,得到了一阶复特征值的负实部(衰减系数)及虚部(衰减振动频率)与切向均布随从力的变化曲线。