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根轨迹绘制基本法则·法则五
根轨迹的分离点与分离角：两条或两条以上根轨迹分支在

$s$ 平面上相遇又立即分开的点，称为根轨迹的分离点，分离点的坐标

$d$ 是下列方程的解：

$\displaystyle\sum_{j=1}^m \frac{1}{d-z_j}=\sum_{i=1}^n \frac{1}{d-p_i}$ 式中，

$z_j$ 为各开环零点的数值；

$p_i$ 为各开环极点的数值；分离角为

$\displaystyle\frac{(2k+1)\pi}{n-m}$ .

status	not learned	measured difficulty	37% [default]	last interval [days]
repetition number in this series	0	memorised on		scheduled repetition
scheduled repetition interval		last repetition or drill

No repetitions

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