[Octave-bug-tracker] [bug #58566] plotyy() and subplot() generate errors

[Markus Mützel]

Update of bug #58566 (project octave):

                  Status:                    None => Need Info              

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Follow-up Comment #1:

I cannot confirm this here.

Running the function in Octave 5.2.0 doesn't provoke any errors for me. Also
no lines seem to be missing.

I'm also attaching the output with Matlab R2020a where indeed not all lines
seem to be in the final plots.

Anyhow, does creating the axes beforehand work for you? That seems to
partially fix it for me in Matlab:

function chart_prob
  close all; figure;
  x = linspace(0,10,10);
  y = rand(4*4,10);
  for ip=1:4
    hax(ip) = subplot(2,2,ip);
  end
  % drawnow;  % Maybe you'll also need the drawnow here
  for ia=1:2
    for ip=1:4
      % hold on is commented, only 1 window-sized chart
      % is drawn: subplot above is ignored().
      hold on;
      grid on;
      iy = (ia-1)*4 + ip;
      % plot(x,y(iy,:)); does the right thing
      plotyy(hax(ip), x,y(iy,:), x,y(iy+1,:));
    end
  end
end



(file #49264, file #49265)
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Additional Item Attachment:

File name: chart_prob_Octave.png          Size:153 KB
    <https://savannah.gnu.org/file/chart_prob_Octave.png?file_id=49264>

File name: chart_prob_Matlab.png          Size:38 KB
    <https://savannah.gnu.org/file/chart_prob_Matlab.png?file_id=49265>



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