chapter5_12b.m

《MATLAB在控制系统中的应用》实例程序

wn=[0.1:0.1:1]; zet=0.707; 
hold on 
for i=1:length(wn) 
num=wn(i)^2; den=[1,2*zet*wn(i),wn(i)^2]; 
bode(num,den); 
end 
hold off