How can I display a 2D binary matrix as a black & white plot?

Question

I have a 2D binary matrix that I want to display as a black and white plot. For example, let\'s say I have a 4-by-4 matrix as follows:

1 1 0 1
0 0 1 0
1 1 0          


        

Answer 1

Try the spy function to start with perhaps.