Average value of a matrix?

On 10 avr. 07, at 18:06, Serge wrote:

> I'm looking to take the average RGB value of a matrix, presumably
> by taking the sum of all cells divided by the number of cells. The
> problem is that, as you know, each cell is (presumably) a list of
> four (ARGB) chars. I presume therefore I need to sum the four plane
> values together, then peform the aforementioned operation.
>
> Any clues as to how to go about this? Realising algorithms in
> dataflow languages does my head in. I'm just looking for a scalar,
> color average of an entire matrix.

Did you look at jit.3m?

ej