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How can I randomly extract a element in a vector?

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Hi!!
How can I extract a random element from a vector?
For example, I have vector v = [a1 a2 a3 a4] and I want to randomly select one of the elements. ~
Thanks!!

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Torsten
Torsten 6 Apr 2020
편집: Torsten 6 Apr 2020
random_element = v(randi(numel(v)))

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