[GRASS-user] About Matrix Weights

Luis Miguel Royo Perez luis.miguel.royo at gmail.com
Thu Nov 14 09:45:39 PST 2013

Hi everyone,

I hope someone can explain how works the option /"matrix weights" /of 
the *r.neighbors* program. I've been trying to find out for myself but 
I'm really confused. I've read the documentation but it's no clear for 
me in this aspect.

What I've trying to do to find out how works it the next:

1st I've created a random matrix 5x5 with values from 1-25 randomly 
2nd I've done four different matrix, 0, 1, 5, 10, for all the values in 
a 3x3 window,

    for the first one (0), all the values are NULL.
    for the rest I have the same result... :S Why?

I know i'm missing something, but I don't know what is it. I would 
aprecciate some help in this point.

Thank you very much!!

Luís Miguel Royo Pérez

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