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Alex Rivera
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I use this code to create and plot N points: N=input('No. of Nodes:'); data = rand(N,2) % Randomly generated n no. of nodes x = data(:,1); y = data(:,2); plot(x,y,'*'); How do I choose k points (with probability p=0.25 ) out of N points, then color those k points red and leave the other points as * .
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