rlocuspoly.m

这是一个用MATLAB工具设计自动控制理论中系统的仿真

num=input('"input num,eg:[0 0 1]:"');
den=input('"input den,eg:[1 2 3]:"');
G=tf(num,den)
rlocus(G);
grid on;
hold on;
disp('"the roots of den "');roots(den)
[mag,pha,w]=bode(G);
[gm,pm,wgc,wpc]=margin(mag,pha,w);
disp('"the value of [Wc,Gama]"');[wpc,pm]
k=rlocfind(G);
disp('the value of K');k
disp('Compare in one graph.input"hold on"');
disp('Get the value of K,input "zoom on"and "rlocfind(G)"');
disp('Get asymptote;input "rlocasymp"');