1
vote
1answer
119 views

Unit of the frequency axis in BodePlot

I have a simple question: What is the unit of the frequency axis in the BodePlot? I searched the documentation, but only found this: The scaling functions can be specified as ...
0
votes
1answer
109 views

How to use NyquistPlot without having a transfer function model?

Could anyone tell me how to use NyquistPlot with a first argument that is not a transfer function model? The expression I'd like to pass to ...
3
votes
1answer
241 views

How to increase Maximum number of steps in any other functions except NDSolve?

I want to plot an output response from a state space model. I use StateResponse[] to calculate it and then plot it. When I run my code, I face this message: ...
2
votes
1answer
798 views

How can I draw an asymptotic bode plot?

When I use Mathematica to draw a bode plot, it always gives the precise version, like this: BodePlot[(10 (s + 3))/(s (s + 2) (s^2 + s + 2))] How can I draw the ...
4
votes
1answer
154 views

Problems with RootLocusPlot

I am having some trouble to understand how the RootLocusPlot works (options, drawing and etc.) Here is an example ...
2
votes
1answer
508 views

BodePlot Phase disagrees with convention. How do I make it agree? [closed]

This question is similar to a previous question, but I did not find an adequate answer there. If I type in the command BodePlot[1/(s^2)] I get a horizontal line ...
3
votes
1answer
214 views

How to adjust the parameters on a Nyquist Plot?

In order to see some details on a Nyquist Diagram I have used the function NyquistPlot that comes with Mathematica v8 and v9. ...
4
votes
2answers
748 views

How to fix BodePlot that comes with Mathematica?

I am using Mathematica to go through the examples and exercises on the book Modern Control Systems, 6th edition by Dorf. On page 605, there is a table (Table 8.5) with the Bode plot for several ...