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Re: problem with the octave built-in function "kron"


From: Stephen Montgomery-Smith
Subject: Re: problem with the octave built-in function "kron"
Date: Fri, 03 May 2013 15:01:23 -0500
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130329 Thunderbird/17.0.5

On 05/03/2013 01:41 PM, Jordi Gutiérrez Hermoso wrote:
> On 3 May 2013 12:54, Stephen Montgomery-Smith <address@hidden> wrote:
>> However kron seems to treat diagonal matrices and sparse matrices
>> differently.  Maybe kron should be rewritten to see if both of the
>> matrices are sparse OR diagonal.  Because when I took his code and
>> changed eye to speye, it worked.
>>
>> I should add that I tested it using a very old version of octave that
>> comes with ubuntu linux.  Maybe this fix has already been applied in
>> later versions.
> 
> I believe I already did that, unless I'm misremembering:
> 
>     http://hg.savannah.gnu.org/hgweb/octave/rev/75cea615ade4

So the OP's other solution is to use a much more recent version of
octave.  (I presume this change was too late for octave 3.6.3, and that
is the latest version I have easy access to.)



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