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

From: Rik
Subject: [Octave-bug-tracker] [bug #51437] mean(zeros(1, 0)) does not return NaN for Matlab compatibility
Date: Fri, 14 Jul 2017 17:02:22 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0

Follow-up Comment #5, bug #51437 (project octave):

Why, as a mathematical proposition, shouldn't mean() return NaN for all empty

I can't find any easy pattern to the results that you have from Matlab.  It
seems to me that this may be an instance where Octave does not want to follow
Matlab exactly since there seems to be quirks of implementation here, rather
than reasonable mathematical results.

If you could, try these further tests in Matlab:

mean (zeros (0,0))
mean (zeros (1,0))
mean (zeros (2,0))


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