ex5_6.m

来自「反馈控制系统分析与设计,虽然有点抽象」· M 代码 · 共 9 行

den=[conv([1,4],conv([1,0,4],conv([1,8,20],[1,4,8.0401]))) 0];
num=1; G=tf(num,den);
hold off; rlocus(G); axis('square')
[K,P]=rlocfind(G) % Selecting point 1

[K,P]=rlocfind(G) % Selecting point 2

[xx,yy]=rlasymp(G); hold on; plot(xx,yy,':')