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Re: A vectorization question


From: marco atzeri
Subject: Re: A vectorization question
Date: Tue, 20 Dec 2011 11:07:11 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20111105 Thunderbird/8.0

On 12/20/2011 10:53 AM,  wrote:
Hi,

Is there a way of getting rid of this loop in

for j=1:n
     B(:,j)=c(j) * A(:,j);
endfor

where c is a n-vector and A is a m by n matrix?

Regards,
ST

Am I missing something or it is just a standard matrix multiplication ?

B=A*c

or use c' depending if its size is nx1 or 1xn

Marco


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