How to disable the arrows on the nyquist plot?

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When using the commands nyquist() or nyquistplot() without output arguments we get a plot. How to disable the arrows on the plotted curve or control their location?

Answers (1)

Rebecca Krosnick
Rebecca Krosnick on 24 Dec 2015
The arrows provide important information about the frequency response, and as a result there is not a way to disable the arrows. However, the following MATLAB Answers post provides a workaround: http://www.mathworks.com/matlabcentral/answers/242901-nyquist-plot-and-arrows
If you would like to change the number of or location of the arrows, you could first remove the arrows like above, and then add in arrows using the "quiver" function. The following MATLAB Answers post explains how: http://www.mathworks.com/matlabcentral/answers/260903-adding-an-arrow-to-a-polar-plot.
In the code at this post you can modify the "factor" variable to choose the frequency of arrows. You can modify the initial value of the "j" variable to determine the location of the first arrow.

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