%%% Bug Report
close all
clear

csi = 0.01;
wn1 = 100;
wn2 = 10000;

s = tf('s')

G1 = -5.56e+08/(s^3 + 0.7708*s^2 + 1.421e+05*s + 1.203e+05)


w = [1:1e-3:1e4];
bode(G1);

%figure
%margin(G1)