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From: dpb on 6 Jul 2010 17:28
Ali Culp wrote:
....

> the mean of all of the individual elements of x (that way it will be a
> scalar and then > will work)... can this be done?

xm = mean(x(:));

--
From: Walter Roberson on 6 Jul 2010 17:29
Ali Culp wrote:
> The problem now is that when using
> A > B, A and B must be the same size and the mean(x) and std(x) do not
> have the same dimensions as x itself.

No, when you use A > B then either the two matrices must be the same size *or*
one of them can be a scalar value. mean(x) and std(x) are scalar values
provided that x is a vector.

You mention that you have a "matrix". If you mean that as a 2 dimensional
array, then to get the appropriate scalar values, use mean(x(:)) and std(x(:))
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