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Re: Memory exhausted when using \


From: Martin Helm
Subject: Re: Memory exhausted when using \
Date: Thu, 19 Jul 2012 16:31:57 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120601 Thunderbird/13.0

Am 19.07.2012 15:55, schrieb Mathieu Dubois:
> Le 17/07/2012 13:16, Martin Helm a écrit :
>> Am 17.07.2012 13:07, schrieb Mathieu Dubois:
>>>     Hi Martin,
>>>
>>> Sorry for the delay (I have a lot of other problems :).
>>>
>>> I have installed lsqrSOL and used your snippet (except that I set atol
>>> = btol = 1e6). It seems to work (but it's rather slow compared to the
>>> matlab implementation which use \).
>>>
>>> I will try to make sure that the results are similar.
>>>
>>> Thanks for your help,
>>> Mathieu
>> Do not forget what Jordi posted, maybe you simply ran into a bug in your
>> old octave version and the \ operator works for you with that problem
>> you try to solve when you update to the current version 3.6
> Hello,
>
> I have tried today with octave 3.6.1 (on a 64 bits machine but without 
> 64 bits adressing) and ran into the same problem.
>
> I have tried to recompile octave with --enable-64 but without success.
>
> Mathieu
>
>
Could you upload the matrix and the vector somewhere, it is otherwise
difficult to see why you get that problem. Since it is a sparse matrix
and we do so far not know anything about its structure or how sparse or
full it is?
If that is no problem for you to make its content public.




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