[Octave-bug-tracker] [bug #47631] ind2sub with empty dimension vector

[Rik]

Follow-up Comment #1, bug #47631 (project octave):

I'm not sure we want to follow Matlab in this regard.

Take a simpler example


x = [];
[i,j] = ind2sub ([], 3)
% Now what do the following do in Matlab?
x(3)
x(i,j)


If they both produce errors then it seems like we should be warning the user
as soon as the error condition has been created (the call to ind2sub) rather
than when the indexing x(i,j) is later done.  Particularly as the calculation
of the indices might be done in a subroutine which could be very far removed
from their eventual usage in the main code for indexing.




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