Plot different colors

Question

Let\'s say W = [1 3 5; 2 1 5; 6 9 1] and K = [0.2, 0.5, 0.3] How can I plot all elements in k with the same color exept those elements that have

Answer 1

You need to plot as two series. You can use the any/all functions to check the logical condition columnwise: since you want to check rowwise, we need to use the transpose of W.

exceptions = find(any(W' > 6));
normals = find(all(W' <= 6));
plot(exceptions, K(exceptions), 'b.')
hold on
plot(normals, K(normals), 'g.')