gistfile1.txt

% loop over every row in exclusion array
for i=1:size(exclusionarray, 1)
    
    curr_row = exclusionarray(i, :);

    % find the rows in test where the condition is satisfied, using the first
    % two columns of excl. array as the criterion    
    % replace the third column of the right row in test with the third col of
    % the current row in excl. array
    for j=1:size(test, 1)       
        if (test(j, 1) == curr_row(i, 1) & test(j, 2) == curr_row(i, 2))
            test(j, 3) = curr_row(i, 3);
        end
    end
end

for i=1:size(exclusionarray, 1)
   
    curr_row = exclusionarray(i, :);
    

    % find me all rows where the first col of test is equal to the first
    % element of curr_row.
    % then find me all rows where the second col of test is equal to the
    % second element of curr_row
    % then find rows in both lists. these are the rows where we want to
    % make replacement with curr_row(3)    
    rows1and2 = intersect(find(test(:, 1) == curr_row(1)) , find(test(:, 2) == curr_row(2)));
    test(rows1and2, 3) = curr_row(3);
    
    
end