[Octave-bug-tracker] [bug #41895] rlocus does not draw using fltk

[Doug Stewart]

URL:
  <http://savannah.gnu.org/bugs/?41895>

                 Summary: rlocus does not draw using fltk
                 Project: GNU Octave
            Submitted by: dastew
            Submitted on: Tue 18 Mar 2014 10:47:12 GMT
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: Doug Stewart
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.1
        Operating System: Any

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Details:

the following code does not draw a graph in figure 2

graphics_toolkit gnuplot
figure(1)
ss1=tf([ 3 7 2],[1 22 4 7 1])
rlocus(ss1)


graphics_toolkit fltk
figure(2)
rlocus(ss1)


but if I then do 
step(ss1)
a graph is drawn in figure 2
so only the rlocus does not draw a graph!!!!
 

I have Ubuntu 12.04 and octave 3.8.1




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