Hi. How can i add 20% Gaussian noise to some fixed value vector.
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Suppose i have a fixed value vector [1.05;0.2561;.3321]). I want to add 20% Gaussain noise to this vector such that this vector become the mean of the Gaussian distribution.
I hope that the question is clear
Thanks
2 Comments
John D'Errico
on 13 Mar 2016
No, it is not clear. 20% noise suggests that you do not actually want classical additive Gaussian noise, but proportional noise.
Accepted Answer
Rick Rosson
on 14 Mar 2016
m = [ 1.05 ; 0.2561 ; 0.3321 ];
s = 0.2 * m ;
N = 1000;
x = ones(N,1) * m' + randn(N,3) * diag(s);
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