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I have a 2x5 matrix, A. I want to randoming sort both of the rows together, so that the second is still a function of the first row.
A = [ 2 5 9 11 23; 4 1 7 9 12]
One random permutation may look like
B= [5 11 9 2 23; 1 9 7 4 12]
The 1st and 2nd row are still the same ratio
Im trying to use the function randperm
Thanks

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pfb
pfb 2015-4-15

1 个投票

That should be easy
i = randperm(5);
should give you the permutated indices, so that
B = A(:,i);
is the permutation of the columns of A according to those new indices.

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