Plot the graph of gain margin with changing variable

2016 5 31

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I have a question about plotting the graph of gain margin.

Numerator of transfer function is consisted as follows

num=[2*(1-DST)*L*Iout 2*(1-DST)*(R*DST*Iout-Vin_peak-R*IL)];

I want to get the graph of gain margin according to the change of DST.

For example, the value of DST is now 0.1.

however, I set to DST = [0.1 : 0.01 : 0.5] and want to plot the graph of gain margin of transfer function.

How can I do it?

I need your help.

Thank you.

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Pavel Dey 2016-6-10

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I think this documentation link might be helpful. This explains how to work with an array of models with a single varying parameter.

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