How to defined a transfer function which includes letters and numbers
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I need to draw the bode diagram of a transfer function:
L(s)=C*(1+ms)/(1+ns) where m and n are positive. My problem is that I didnt creat transfer function on MATLAB because of m and n variables. It gives me the error. How can I solve that problem. Thanks in advance
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Halil
le 14 Sep 2016
Modifié(e) : Walter Roberson
le 14 Sep 2016
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Walter Roberson
le 14 Sep 2016
Construct the ratio symbolically, not using tf(). Then use https://www.mathworks.com/matlabcentral/fileexchange/10816-mimo-toolbox/content/Mimotools/sym2tf.m
That might not work until you have substituted in definite values for all except one of the variables, though.
You are unlikely to be able to get a frequency response plot from a transfer function that involves variables other than the one one (such as s): the closest you would be able to get would be to substitute in specific values for those variables and plot that.
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