Bode diagram : Warning: Error occurred while evaluating listener callback.

I wrote the following code, I am gettign this error:
Warning: Error occurred while evaluating listener callback.
Here is the code:
w_0 = 100
D = 10
K = 26.5;
s = tf('s');
G = w_0/(s^2 + 2*D*w_0*s + w_0^2)
bode(G)
%pole(G)
%pzmap(G)
grid on
hold on
margin(K*G);
legend('Open-loop','Open-loop with gain K')
hold off
I would be greatful for any feedback!

 采纳的回答

Your code runs without error in R2023a.
Perhaps an upgrade is in order —
w_0 = 100;
D = 10;
K = 26.5;
s = tf('s');
G = w_0/(s^2 + 2*D*w_0*s + w_0^2)
G = 100 -------------------- s^2 + 2000 s + 10000 Continuous-time transfer function.
bode(G)
%pole(G)
%pzmap(G)
grid on
hold on
margin(K*G);
legend('Open-loop','Open-loop with gain K')
hold off
.

2 个评论

I am using MATLAB R2020a
what should I change in order for it to work.
Be sure all the updates to R2020a are installed, since they may have fixed that particular problem.
If there are still problems after that, it may be necessary to upgrade to a more recent version/release.

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