How to plot the on-off status matrix with elements displayed

I want to plot a figure like this with matlab. The elements are presented and marked with differetn colors.

Answer 1

[Walter Roberson]

image() with a colormap with two entries. If you need the labels then text() them into place. You can use find() to get row and column numbers. Remember that row numbers are y coordinates and column numbers are x coordinates.

[Rongxing Hu]

How can I draw the edges for each small colored squares and scale the colorbar(0 the min -color and 1 the max-color).