[Octave-bug-tracker] [bug #51437] mean(zeros(1, 0)) does not return NaN for Matlab compatibility

[Rik]

Update of bug #51437 (project octave):

                  Status:                    None => Confirmed              
        Operating System:       Microsoft Windows => Any                    
                 Summary: mean(zeros(1,0)) does not return NaN =>
mean(zeros(1,0)) does not return NaN for Matlab compatibility

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Follow-up Comment #2:

Confirmed.  I'm pretty sure Matlab changed this relatively recently and that
it used to return [].  It doesn't look that hard to fix, just a special test
for empty inputs.  You can see that Matlab has changed because the Octave
function supports a flag that allows you to specify arithmetic mean, geometric
mean, or harmonic mean.  That used to be part of Matlab.

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