m = 6; % rows n = 6; % columns % max intensity = 9 Intensity = [| 1, 9, 6, 7, 5, 6 | 3, 5, 2, 3, 1, 2 | 9, 1, 8, 9, 7, 8 | 5, 7, 4, 5, 3, 4 | 1, 3, 0, 1, 9, 0 | 7, 9, 6, 7, 5, 6 |];