[Octave-bug-tracker] [bug #49463] bad output from voronoi

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?49463>

                 Summary: bad output from voronoi
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Fri 28 Oct 2016 12:15:28 AM UTC
                Category: Libraries
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Emil Millet
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.3
        Operating System: Microsoft Windows

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Details:


x=[1,2,3]
y=[2,3,1]
voronoi(x, y)


Plotted output looks OK until you zoom out and see extra segments.
Extra segments are present also in the [vx,vy]=voronoi(...) form.
Same results under Linux.

Under Windows,


x=rand(4,1)
y=rand(4,1)
voronoi(x, y)
xlim( [-2, 3] )
ylim( [-2, 3] )
 

gives various pathologies, sometimes too many, sometimes too few.





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