How to randomly and uniquely select 2000 samples from an array with 1x460800.

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Md Imp
Md Imp 2019-6-24
评论： Md Imp 2019-6-24
Any help much appreciated.

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madhan ravi
madhan ravi 2019-6-24
val(randperm(numel(val),2000))

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Alex Mcaulley
Alex Mcaulley 2019-6-24
Being A your array and N the number of random samples you want:
B = A(randperm(numel(A),N));

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