www.gusucode.com > MATLAB仿真技术与应用__的配套例题和习题的matlab源代码 > 第七章/example12.m

    %MATLAB program 7-12
%Draw Bode, Nichols and Nyquist
clear all;
clc;
num=[1 1 32];
den=conv([1 40],[1 4 32]);
G=tf(40*num,den);
bode(G);
nichols(G);
grid;
ngrid;
nyquist(G);
axis equal;