Hi!
Is there any easy/fast way to combine vectors with restrictions?
Example:
a=c(1,2,3), b=c(4,5,6), c=c(7,8,9)
I want all combinations of this 3 vectors with length=2.
Like this:
1,4
1,5
1,6
1,7
1,8
1,9
2,4
2,5
2,6
2,7
... and so on.
Thanks in advance.
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