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All combinations not being generated

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klb
klb 2020-11-29
评论： klb 2020-11-29
Hello everyone,
Running a code to get all combinations of vector. Each combination is unique on its own. Meaning, [.4, .1, .1] is different from [.1, .1, .4] and so on.
Ok, here is the code
A = [0.4, 0.25, 0.1] %vector
[A1,A2,A3] = ndgrid(A);
my_matrix= [A3(:),A2(:),A3(:)]
It does not give all combinations. In fact, the example stated above is missing.
If you run it and have a look at the last column, you'll see it is copy of the first column.
What am I doing wrong?
Thanks in advance!

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采纳的回答

klb
klb 2020-11-29
update: In line 3 of the code A3(:) is repeated twice, resulting in the 'error'
Follwing is what it should read :
my_matrix= [A1(:),A2(:),A3(:)]

更多回答（1 个）

David Hill
David Hill 2020-11-29
perms(A);
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Rik
Rik 2020-11-29
I would suggest reverting your edit, posting your edit as an answer and accept it.

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