This is for Lukas Reichlin as the maintainer of the control pkg.
The rlocus does not plot with fltk and there a two simple fixes to get around the problems of fltk.
We can move the plot command to be first:
These changes are around line 298 in rlocus.m
Lukas can you pick one and make the change, or do you want me to do more?
I am inclined to go with the second one as no data is involved so it probably will be faster.
Doug
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