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