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Re: Memory exhausted when using \


From: Mathieu Dubois
Subject: Re: Memory exhausted when using \
Date: Mon, 16 Jul 2012 17:02:45 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Lightning/1.0b2pre Thunderbird/3.0.10

Le 16/07/2012 16:38, Martin Helm a écrit :
Am 16.07.2012 16:23, schrieb marco atzeri:
On 7/16/2012 4:02 PM, Mathieu Dubois wrote:

op1 is 246710x49260, op2 is 246710x1
wrong vector or the matrix should be transposed to 49260x246710 ?

could you check

size(A)
size(b)

Regards
Marco

Sorry, my bad I did not look good enough at the given matrix dimensions,
for pcg it needs to be square.
What shall be computed a least squares or minimum norm solution?
AFAI, if the system is not square A\b returns a minimum norm solution... As I want the same output I need to compute the minimum norm solution.


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