How can I simulate time response of dynamic system to arbitrary inputs without shown the arbitary input on my plot?

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Bob
Bob on 11 Apr 2016
Answered: Sebastian Castro on 12 Apr 2016
How can I simulate time response of dynamic system to arbitrary inputs without shown the arbitary input on my plot?
H = [tf([2 5 1],[1 2 3])];
[u,t] = gensig('square',4,10,0.1);
lsim(H,u,t)

Accepted Answer

Sebastian Castro
Sebastian Castro on 12 Apr 2016
If you assign outputs to lsim, you don't get the specialized plot and simply get the output variables. So, if you add an extra line to your code as follows, you're good to go:
H = [tf([2 5 1],[1 2 3])];
[u,t] = gensig('square',4,10,0.1);
[yout,tout]= lsim(H,u,t);
plot(tout,yout)
- Sebastian

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