Re: Taking a mean of a fixed length number of points

[Francesco Potortì]

>I need to calculate the columnar average of each k points out of an array of
>x(n,m) elements, resulting in a new array  x_avg (floor (n/k) , m) elements.
>
>I use:
>        tmp = reshape(x,k,[],m);                          (1)
>        x_avg = reshape(mean(tmp),[],m);                  (2)

I think that what you use is the simpler and most efficient way.  Rather
than resorting to 3-d arrays, I'd go columnar, by removing the fourth
argument in (1), which is cleaner to my eyes.

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