p145_1.m

来自「反馈控制系统分析与设计,虽然有点抽象」· M 代码 · 共 6 行

wn=1; z=0.1; a=[0.1,0.2,0.5,1];
for i=1:length(a)
   G=tf(wn^2,conv([1,2*z*wn,0],[1,a(i)]));
   rlocus(G); hold on
end