i have a vector which contain 23 elements.i wanna choose 20 elements among this 23 elements randomly.how can i do this?
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i have a vector which contain 23 elements.i wanna choose 20 elements among this 23 elements randomly.how can i do this?
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Azzi Abdelmalek
2016-4-19
编辑:Azzi Abdelmalek
2016-4-19
A=randi(50,1,23)
out = A(randperm(23,20))
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