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Re: cov(x,y) = matrix or number?
From: |
Jordi Gutiérrez Hermoso |
Subject: |
Re: cov(x,y) = matrix or number? |
Date: |
Sun, 11 Mar 2012 21:54:00 -0400 |
On 11 March 2012 21:41, Muhali <address@hidden> wrote:
> I just noticed that octave gives
>
> O> X = [1 2; 1 3; 2 5] ;
> O> cov(X(:,1), X(:,2))
> ans = 0.833
>
> while matlab returns a matrix
>
> M> cov(X(:,1), X(:,2))
>
> ans =
>
> 0.3333 0.8333
> 0.8333 2.3333
You know what to do...
http://hg.savannah.gnu.org/hgweb/octave/file/05635e4c605a/scripts/statistics/base/cov.m#l60
- Jordi G. H.
- cov(x,y) = matrix or number?, Muhali, 2012/03/11
- Re: cov(x,y) = matrix or number?,
Jordi Gutiérrez Hermoso <=
- Re: cov(x,y) = matrix or number?, Thomas D. Dean, 2012/03/11
- Re: cov(x,y) = matrix or number?, Muhali, 2012/03/12
- Re: cov(x,y) = matrix or number?, Jordi Gutiérrez Hermoso, 2012/03/12
- Re: cov(x,y) = matrix or number?, Ismael Núñez-Riboni, 2012/03/12
- Re: cov(x,y) = matrix or number?, Jordi Gutiérrez Hermoso, 2012/03/12
- Re: cov(x,y) = matrix or number?, Jordi Gutiérrez Hermoso, 2012/03/12
- Re: cov(x,y) = matrix or number?, Ismael Núñez-Riboni, 2012/03/12