How to find all possible combinations of an array?

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I am mapping a path that a delivery truck could take, all trips must go to 8 locations.
Location 1 (starting location) and location 8 (ending location) are both the same place and fixed. I am trying to figure out the best way to get all of the random combinations of the other locations, 2 through 7.

Answers (1)

Joseph Cheng
Joseph Cheng on 1 Mar 2016
Edited: Joseph Cheng on 1 Mar 2016
the function perms will generate all the combinations
perms(2:7)
will give you
7 6 5 4 3 2
7 6 5 4 2 3
7 6 5 3 4 2
7 6 5 3 2 4
7 6 5 2 3 4
......
2 7 3 6 4 5
2 7 6 4 3 5
2 7 6 4 5 3
2 7 6 3 4 5
2 7 6 3 5 4
2 7 6 5 3 4
2 7 6 5 4 3
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