% Fig. 6.39   Feedback Control of Dynamic Systems, 8e 
%             Franklin, Powell, Emami
%

clear all;
%close all;
clf

num = [1 1 1];
den = [1 10 24 0 0 0];

rlocus(num,den);

set(findall(gcf,'type','line'),'linewidth',2);
axis([-10 2 -6 6])

%grid on;

title('Root Locus of a conditionally stable system');

