Can we Generate a Random Matrix with No Repeated Elements
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Kareem Elgindy
on 8 Nov 2022
Commented: Kareem Elgindy
on 8 Nov 2022
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?
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Accepted Answer
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)
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Bruno Luong
on 8 Nov 2022
Edited: Bruno Luong
on 8 Nov 2022
You can map them to anything you like by simple indexing, here is set s as example:
m = 3;
n = 2;
s = 101:110;
A = s(reshape(randperm(numel(s),m*n), m, n))
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