Keep receiving warning sign "undefined variable" while using sim function and plotting graphs

Question

0 个投票

In MATLAB

sys=tf(5,[10^-6,0,0.3]);
sim('Camdemo')
plot(tout,simout(:,1),tout,simout(:,2),'--')

below picture is SIMULINK Camdemo

I am keep receiving warnings even though I have simout and tout in my workspace.

I don't know the reason. Please help me

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Pavan Guntha 2021-11-17

Can you post the snapshots of warnings and attach the simulink model so that it would be helpful to debug?

Answer 1

Walter Roberson 2021-11-17

0 个投票

You appear to have an object named out in your workspace, and the tout and simout properties of the object seem to be what you are looking for.

plot(out.tout, out.simout(:,1), out.tout, out.simout(:,2), '--')