Can we Generate a Random Matrix with No Repeated Elements

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I'm aware of randperm, but it gives vectors rather than 2D matrices. One may also use a loop with randperm to generate a random matrix with no repeated elements in each row, but overalll, this doesn't guarantee the non-redundancy of any element if we consider the whole matrix.
Is there a way to do that?

Accepted Answer

Bruno Luong
Bruno Luong on 8 Nov 2022
Just the reshape long vector returned by randperm
m = 3;
n = 2;
A = reshape(randperm(10,m*n), m, n)
A = 3×2
7 10 1 4 2 6
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