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[Octave-bug-tracker] [bug #43511] null arrary retained when cellstr is u


From: Rik
Subject: [Octave-bug-tracker] [bug #43511] null arrary retained when cellstr is used to build vector through concatenation
Date: Fri, 07 Nov 2014 15:57:53 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:33.0) Gecko/20100101 Firefox/33.0

Follow-up Comment #5, bug #43511 (project octave):

Well, at least the behavior seems to be generalized to concatenation with any
cell.

@Philip: Could you make one more test?  I don't think the first entry is
special, but I want to verify that Matlab removes all null matrices wherever
they appear in the list.

The following example in the development version of Octave produces:


[ [], {1}, [], {2}, [] ]
ans = 
{
  [1,1] = [](0x0)
  [1,2] =  1
  [1,3] = [](0x0)
  [1,4] =  2
  [1,5] = [](0x0)
}


Under Octave 3.4.3 it produces


[ [], {1}, [], {2}, []]
ans = 
{
  [1,1] =  1
  [1,2] =  2
}


If Matlab is the same as 3.4.3 then I think we should mark this bug as a
regression.


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