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该函数rlocus绘制系统的正增益根轨迹。如何绘制负增益根轨迹?
rlocus
num对于负增益值,只需在or前面放置一个减号sys,其中传递函数和“系统”格式的函数语法为:
num
sys
rlocus(num; den); rlocus(sys);