[Octave-bug-tracker] [bug #54599] issorted yields an error for the empty vector

[Grzegorz]

Follow-up Comment #1, bug #54599 (project octave):

Please excuse me, there was a typo in the markup in the original submission
that messed up the post. Here I submit again:

Input:

issorted([])


Output:

error: issorted: needs a vector


It appears to me as "an error message for valid input", so I figure it is a
bug. I would expect the result to be TRUE, as in Matlab. Even if Octave had
reasons to depart from the latter convention, I would expect issorted to
accept the empty vector.

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