Define clusters matlab

What is the cluster code?

K = 100; % define 4 clusters of input data q = .6; % offset of classes A = [rand(1,K)-q; rand(1,K)+q]; B = [rand(1,K)+q; rand(1,K)+q]; C = [rand(1,K)+q; rand(1,K)-q]; D = [rand(1,K)-q; rand(1,K)-q]; % plot clusters figure(1) plot(A(1,:),A(2,:),'k+') hold on grid on plot(B(1,:),B(2,:),'b*') plot(C(1,:),C(2,:),'kx') plot(D(1,:),D(2,:),'bd') % text labels for clusters text(.5-q,.5+2*q,'Class A') text(.5+q,.5+2*q,'Class B') text(.5+q,.5-2*q,'Class C') text(.5-q,.5-2*q,'Class D')
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