how can I collect all possible combinations of two numbers from a data set in matlab ?
3 views (last 30 days)
Show older comments
Commented: R@SH on 9 Oct 2021
I have a matrix, like the one s below:
A=[1 2 4 8 16 32];
I want to collect all the possible cases of chossing two array from the above matrix and then have the sum of these values. like below:
How is it possible to access all the possibe combination of two array from a matrix?
I appreciate your support in advance.
DGM on 9 Oct 2021
Edited: DGM on 9 Oct 2021
Something like this:
A = [1 2 4 8 16 32];
k = 2;
B = nchoosek(A,k)
C = sum(B,2)
Be aware how fast the size of B will increase as the length of A increases. For A of length N, B will have N!/(k!*(N-k)!) rows.
More Answers (0)
Find more on Matrices and Arrays in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!Start Hunting!