bugGNU Octave - Bugs: bug #37086, Concatenation of arrays

 
 

bug #37086: Concatenation of arrays

Submitter:  Guillaume <gyom>
Submitted:  Mon 13 Aug 2012 01:43:43 PM UTC
   
 
Category:  Interpreter Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Matlab Compatibility
Status:  Wont Fix Assigned to:  None
Originator Name:  Guillaume Open/Closed:  * Closed
Release:  * dev Operating System:  * Any
Fixed Release:  None Planned Release:  None
* Mandatory Fields

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Mon 30 Sep 2013 03:51:40 AM UTC, comment #4: 

So the consensus here is that this is a Matlab bug that should not be reproduced in Octave?

Mike Miller <mtmiller>
Group Member
Mon 13 Aug 2012 07:05:45 PM UTC, comment #3: 

It indeed seems related. Sorry for not noticing it beforehand.
The appropriate code here would be:

A={};A=[A;{'a'}]


Otherwise it boils down to how to handle [[] {}]: Octave says it's {[]} while MATLAB says it's {}.

Guillaume <gyom>
Mon 13 Aug 2012 05:42:03 PM UTC, comment #2: 

Please see the following report for some related issues.  That report might be describing the same problem, I don't know and don't have time to check in detail now.

https://savannah.gnu.org/bugs/?func=detailitem&item_id=35481

John W. Eaton <jwe>
Group administrator
Mon 13 Aug 2012 05:28:14 PM UTC, comment #1: 

Confirmed.  This was a regression between versions 3.4.3 and 3.6.0.

Rik <rik5>
Group administrator
Mon 13 Aug 2012 01:43:43 PM UTC, original submission:  

Using dev (3.7.0+), the following returns:

octave> A=[];A=[A;{'a'}]
A =
{
  [1,1] = [](0x0)
  [2,1] = a
}

while 3.4.0 or MATLAB return:

octave> A=[];A=[A;{'a'}]
A =
{
  [1,1] = a
}


Guillaume <gyom>

 

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    Follow 8 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2014-12-31 rik5 Item GroupRegression Matlab Compatibility
        StatusInvalid / Not an Octave Bug Wont Fix
    2014-01-19 mtmiller CategoryNone Interpreter
        StatusConfirmed Invalid / Not an Octave Bug
        Open/ClosedOpen Closed
    2013-03-14 rik5 Dependencies- bugs #38514 is dependent
    2012-08-13 rik5 StatusNone Confirmed
    2012-08-13 rik5 Item GroupMatlab Compatibility Regression

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