[Octave-bug-tracker] [bug #61750] ismember does not report all matches

[Arun Giridhar]

Follow-up Comment #6, bug #61750 (project octave):

Look at this part of ismember.m (line numbers for your reference):


   160          ## FIXME: lookup does not support "rows", so we just use
unique.
   161          [~, ii, jj] = unique ([a; s], "rows", "last");
   162          na = rows (a);
   163          jj = ii(jj(1:na));
   164          tf = jj > na;


What is that "last" for in the call to unique? Does that account for what is
observed?

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