MATLAB: All possible combinations of three vectors

combvecDeep Learning Toolbox

I am trying to find all possible combinations of three vectors (A,B,C). For this, I tried using combvec. However, the result gets me a 1281×1 double, while i expected a matrix of 546*33*649 possibilities.
What i would like to get is:
A: 1,5,6,9,12
B: 1,2,3,4,5,6
C: 3,18,27,69,72
Ans:
1,1,3
1,1,18
1,1,27
etc.
So how do i do this?

Best Answer

One possible way, which doesn't require any toolbox:
 [ca, cb, cc] = ndgrid(A, B, C);
 combs = [ca(:), cb(:), cc(:)]
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