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[Octave-bug-tracker] [bug #40296] Consistent matrix return sizes


From: Rik
Subject: [Octave-bug-tracker] [bug #40296] Consistent matrix return sizes
Date: Tue, 4 Jun 2019 11:56:09 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

Update of bug #40296 (project octave):

                  Status:                    None => Wont Fix               
             Open/Closed:                    Open => Closed                 

    _______________________________________________________

Follow-up Comment #2:

Introducing a huge discontinuity with Matlab is not something we want to do. 
But there are workarounds that are not onerous.  For the example code in
comment #0 fails depending on the orientation of m.


[i,j] = find(m);
inds = [i,j]';

for b = inds
  r = inds(1)
  c = inds(2)
  # Do something with r and c
endfor 


This can be rewritten, modestly, to


[i,j] = find(m);
inds = [i(:),j(:)];

for b = inds
  r = inds(1)
  c = inds(2)
  # Do something with r and c
endfor 


which will always work in both Octave and Matlab.


    _______________________________________________________

Reply to this item at:

  <https://savannah.gnu.org/bugs/?40296>

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