how to plot red of the matrix

a = [1 1 0; 0 0 0; 0 0 1;]; idx = find(a==1); % linear coordinates [I,J] = ind2sub(size(a),idx);

how to plot red the result of find..?

Answer 1

[Azzi Abdelmalek]

a = [1 1 0; 0 0 0; 0 0 1;];
[I,J]=find(a==1)
scatter(I,J)

Answer 2

[nu]

i mean the result 1 is change into red. and using a plot..?