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how to find random number between 20 input numbers

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Maryam Abdirad
Maryam Abdirad 2017-11-19
回答： Walter Roberson 2017-11-19
I have 20 numbers that I want to find 1 or 2 or 3 of them as random. Could you help me to write code or any function that generate random number?

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Walter Roberson
Walter Roberson 2017-11-19
L = length(YourVectorOfNumbers);
num_to_pick = randi(3);
which_to_pick = randperm(L, num_to_pick);
picked_values = YourVectorOfNumbers(which_to_pick);

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