Re: [WM]: Pseudorandom Numbers !

[Thomas Arand <arand@informatik.mu-luebeck.de>]

On Wed, 25 Jul 2001,   AMGee wrote:

> Dear Watermarkers 
>     Unfortunately in Matlab the real valued normally distributed
>     pseudorandom numbers [RANDN(m,n)] do not generate with mean
>     zero but it gives some other mean value against what this function
>     claim. Any one can see this function's help and an example. I am in
>     favor of Chuck Rewood. It will be helpful for me as well if someone
>     give a way to solve this problem. Now mean zero I mean mean = 0
>     exactly .
> 
why don't you just use

	x=randn(m,n);
        x=x-mean(x(:));

to get a normaly distributed m by n matrix x with a mean of exactly zero?

regards

	Thomas


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