[Octave-bug-tracker] [bug #42408] Incorrect results of isequal() with empty sparse matrices and alphanumerical value comparision.

[Kai Torben Ohlhus]

Follow-up Comment #2, bug #42408 (project octave):

Hi Rik,

I think you are right, here the output from MATLAB 2013b:

 >> x = sparse ([])
 x =
    All zero sparse: 0-by-0
 
 >> f_x = find (x)
 f_x =
      []
 
 >> size (f_x)
 ans =
      0     0
 
 >> x = ones (0,100,2)
 x =
    Empty array: 0-by-100-by-2
 
 >> f_x = find (x)
 f_x =
    Empty matrix: 0-by-1
 
 >> size (f_x)
 ans =
      0     1

What do you suggest to overcome this issue?

Best, 
Kai

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