Simple 'for' loop question

[Rob Teasdale]

Hi all,

I am stumped as to why this system of loops does not iterate properly. It only 
runs the first loop once (even thought there are three rows in the matrix) and 
the exits. Other loops I have constructed the same way work fine, but as I have 
been at it all day maybe I cant see the forest for the trees here.  Any help 
would be greatly appreciated,

Cheers
Rob

function [CO] = p_area(X,Y,Z,O)
    [R C] = size(X)
    row = 1;
    for i = 1:R
        for j = 1:C
            C = [X(i,j) Y(i,j) Z(i,j)];
            CO(row,:) = O - C;
            row = row + 1;                    % will count one extra but out of 
loop by then
            printf("%d,%d\n",i,j)
        end
    end


Output
octave:3> rob_test
R =  3
C =  4
1,1
1,2
1,3
1,4
octave:4>






      
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