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