...示: ( ) n n n n S a S a S a S a ∆ − − = + + + + = 1 1 1 0 0 ;而特性方程式之根称为特性根 (characteristic roots),亦即特性根为转移函数之极点。
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由线性代数可知,若一矩阵的rank 为r 则此矩阵有r 个非零的特征根(characteristic roots),因此Johansen 利用特征根的性质,对 共积关系的个数作检定。
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After analyzing the causes, the author suggests it would be better to calculate directly characteristic roots using some matured software.
在分析其原因后,作者认为系数量化效应的计算以直接计算特征根更为方便。
The roots of the characteristic equation determine the stability of the system and the general nature of the transient response to any input.
特征方程的根决定了系统的稳定性以及对各种输入的响应特性。
By studying the properties of roots for the corresponding characteristic equation, the sufficient conditions under which the equation is stable are given.
通过分析相应特征方程根的性质,给出系统稳定的一个充分条件。
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