Select random numbers form matrix

2021 3 25
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更新时间：2021 3 29
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Can anyone help me, how can I choose 4 elelemts randomly from below matrix with and without repetaion.
P = ['a', 'b', 'c', 'd', '1', '2', '3', '4,']
Thanks in advance

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Matt J
Matt J 2021-3-25

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With repetition: Use randi()
Without repetition: Use randperm()

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Matt J
Matt J 2021-3-25
k khaja's comment moved here
Thanks a lot, it works well.
Matt J
Matt J 2021-3-25
You're welcome, but please Accept-click the answer to indicate that your problem is resolved.
k khaja
k khaja 2021-3-29
Thanks a lot Matt, it works.

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