Convert a integer matrix to a red and blue colored matrix

I have the following matrix A = [-1 1 1; 1 -1 1; -1 -1 -1], I want to convert it to a colored matrix with cells corresponding to 1 colored red and -1 colored blue. Something like this:

How do I do that in matlab?

Answer 1

[Chunru]

 A = [-1 1 1; 1 -1 1; -1 -1 -1]

A = 3×3

-1 1 1 1 -1 1 -1 -1 -1

 imagesc(A);
 
 % select a colormap
 cmap = hsv(8);            % based on hsv
 cmap = cmap([5 1], :);    % choose color 5 and 1
 colormap(cmap);
 colorbar

[Debadipto]

Thank you!