I need help with plotting Simulink output in Matlab
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Swarupendra Chakraborty
el 16 de Sept. de 2020
Comentada: Swarupendra Chakraborty
el 16 de Sept. de 2020
So I am trying to plot a function from the simulink output, usingthe 'to workspace' block, but whenever I try to use the output and plat it with Matlab, the following error code appears
>> Prob_1c_ass_1_1813081
Error using timeseries/plot (line 27)
The plot method can only be used for a single timeseries object
Error in Prob_1c_ass_1_1813081 (line 2)
plot(out.tout, out.u);
My code is:
subplot(3, 1, 1)
plot(out.tout, out.u);
title('u vs t')
xlabet('t')
ylabel('u = 2sin2t')
subplot(3, 1, 2)
plot(out.tout, out.y);
title('y vs t')
xlabet('t')
ylabel('y')
subplot(3, 1, 3)
plot(out.tout, out.u, out.tout, out.y);
legend('u', 'y')
title('(u, y) vs t')
xlabet('t')
ylabel('u, y')
Could anyone help me find what I might be doing wrong?
Thanks
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Respuesta aceptada
Fangjun Jiang
el 16 de Sept. de 2020
It depends on your saving format. It looks like you have "single simulation output" checked and the format is "dataset". Press Ctrl+E and click "Data Import/Export" on the left column.
In this case, you can do plot(out.u) directly to show the plot.
To dive deep, check this value in Command Window
out.u.Time
out.u.Data
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