Matrix Permutation to generate another Matrix

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Sarah
Sarah 2021-3-3
评论： Sarah 2021-3-3
Hello,
I have matrix v. I used p = perms(v) to produce results p. P goes on and on for a ways. I just shared a snip of what it is doing.
What would be the way to do this so I would get the results shown below? The order cannot change. Like you cant swap column 1 and 2. Would it be better to randamize each column instead? Thanks!
p =
2 6
2 3
2 5
1 6
13
15
7 6
7 3
7 5

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Walter Roberson
Walter Roberson 2021-3-3
Ran in:
v = [2 6; 1 3; 7 5]
v = 3×2
2 6 1 3 7 5
[t1, t2] = ndgrid(v(:,1), v(:,2));
p = [t1(:), t2(:)];
p
p = 9×2
2 6 1 6 7 6 2 3 1 3 7 3 2 5 1 5 7 5

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