[Octave-bug-tracker] [bug #54347] Plot Hold on may not work

[Liang Tang]

URL:
  <http://savannah.gnu.org/bugs/?54347>

                 Summary: Plot Hold on may not work
                 Project: GNU Octave
            Submitted by: lt1234
            Submitted on: Sat 21 Jul 2018 07:02:53 PM UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: lt1234
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.1
        Operating System: Microsoft Windows

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Details:

I am running 4.2.1, Win 64x.  

This works.  There are two lines in subplot(2,1,1)  

fid=figure; subplot(2,1,1); plot([1 0], [0 1]); hold on;                    
figure(fid); subplot(2,1,1); plot([0 2], [1 0]);

This does not.  There is only one line in subplot(2,1,1)

fid=figure; subplot(2,1,1); plot([1 0], [0 1]); hold on; gid=figure;
figure(fid); subplot(2,1,1); plot([0 2], [1 0]);




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