>> R1=1; L=10e-3; C1=10e-6; R2=10; A=[-R1/L -1/L;1/C1 -1/(R2*C1)]; B=[1/L;0]; C=[0 1]; D=[0]; step(A,B,C,D),grid >> bode(A,B,C,D),grid ??? Error using ==> lti.bode at 95 Plots must be of the same type and size to be superimposed. Error in ==> bode a
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what is the problem with bode comand
1 commentaire
Azzi Abdelmalek
le 13 Sep 2013
Please, format your question http://www.mathworks.com/matlabcentral/answers/13205-tutorial-how-to-format-your-question-with-markup
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Carla
le 13 Sep 2013
I do not get the error you see. Do you have a hold in between the step command and the bode command that you did not show here? It looks like you are trying to write the bode plot on the same axes as the step plot. Try this:
figure
step(A,B,C,D),grid
figure
bode(A,B,C,D),grid
This will plot the responses in separate figure windows.
Note also that this is a legacy syntax for step and bode; these commands are more powerful and flexible if you give them dynamic system input arguments:
sys = ss(A,B,C,D)
bode(sys)
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