[Octave-bug-tracker] [bug #30725] diff(logical(x)) fails, should return diff(double(logical(x)))

[Alois Schlögl]

URL:
  <http://savannah.gnu.org/bugs/?30725>

                 Summary: diff(logical(x)) fails, should return
diff(double(logical(x)))
                 Project: GNU Octave
            Submitted by: schloegl
            Submitted on: Tue 10 Aug 2010 08:13:21 AM GMT
                Category: None
                Severity: 3 - Normal
              Item Group: Feature Request
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:

diff(logical(..)) fails

octave:1> x=1:5;y=diff(x==3),class(y)  
error: diff: X must be numeric

matlab provides this result:

>> x=1:5;y=diff(x==3),class(y)  
y =
     0     1    -1     0
ans =
double


Alois 





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