[Octave-bug-tracker] [bug #38082] kron product of diagonal matrix and sparse matrix

[Marco Caliari]

URL:
  <http://savannah.gnu.org/bugs/?38082>

                 Summary: kron product of diagonal matrix and sparse matrix
                 Project: GNU Octave
            Submitted by: caliari
            Submitted on: Mon 14 Jan 2013 01:12:47 PM GMT
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.6.2
        Operating System: GNU/Linux

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Details:

Dear all,

I noticed the following 


A=sprand(10,10,0.1);,issparse(kron(A,eye(10))),issparse(kron(eye(10),A))


giving true in the first case and false in the second. Of course, the result
is a sparse matrix also in the second case, and Octave 3.2.4 did it
correctly.

Marco 




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