# I am trying to publish my matlab script, and a figure from a preceding section keeps appearing in the current section. Why is this happening?

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Joseph Telegadas on 22 Nov 2019
Answered: Cris LaPierre on 23 Nov 2019
When I publish this script, figure(4) (K=4.2981) shows up in both the Problem 2 and Problem 3 section when it should only appear in Problem 2: %% ENME462
%% Problem 2
clear all
% Part A
figure(3)
sys = tf(,[1 4 5 0]);
rlocus(tf(,[1 4 5 0]))
sgrid(0.5, 100)
hold on
% Part B
[k,poles]=rlocfind(sys)
% Using rlocfind k is approximately 4.2981
K=4.2981;
G = tf([K],[1 4 5 0]);
% Part C
hold off
figure(4)
step(feedback(G,1))
hold on
title('K=4.2981')
hold off
%% Problem 3
clear all
% Part B
figure(5)
for z=0:0.01:100
s=roots([1 4 7 4*z]);
x=real(s);
y=imag(s);
plot(x,y,'b.')
hold on
end
title('Root Locus for P(s)')
grid minor
hold off
xlabel('Real Axis')
ylabel('Imaginary Axis')
% Part C
figure(6)
rlocus(tf(4,[1 4 7 0]))
sgrid
hold on
title('Root Locus for P(s)')
% Part D
z = 0.6
sys1 = tf([4 4*z],[1 4 3 0])
figure(7)
step(feedback(sys1,1))
hold on
title('z=0.6')
S1 = stepinfo(feedback(sys1,1));
PO1 = S1.Overshoot
TS1 = S1.SettlingTime
z = 2
sys2 = tf([4 4*z],[1 4 3 0])
hold off
figure(8)
step(feedback(sys2,1))
hold on
title('z=2')
S2 = stepinfo(feedback(sys2,1));
PO2 = S2.Overshoot
TS2 = S2.SettlingTime
z = 4
sys3 = tf([4 4*z],[1 4 3 0])
hold off
figure(9)
step(feedback(sys3,1))
hold on
title('z=4')
S3 = stepinfo(feedback(sys3,1));
PO3 = S3.Overshoot
TS3 = S3.SettlingTime

Cris LaPierre on 23 Nov 2019
Not sure. When I publish the code you have above in 2018b, figure 4 does not appear in this section at all. Have you installed all updates (look for a red dot in the upper right of MATLAB)? Is there anything different about the code you are running and the code above?