MATLAB: Generate random’s number

MATLABnumberrandomrandom number generatorscalarstream

Hi;
How can I create a random's stream that generated only one number?
Exemple;
I have this strema 0,40,80,110,150,180…. I would like that to have a variable rappresented by one number choosed randomly from the stream.
Thanks Edoardo

Best Answer

out=stream(randi(length(stream)));