Combinations without using nchoosek - MATLAB Cody - MATLAB Central

Problem 793. Combinations without using nchoosek

Difficulty:
(2992)
Rate

You have to generate a matrix with all possible combinations of n elements taken 2 at a time, without using nchoosek(1:n,2) :

Examples

if n = 3

output =

       1     2
       1     3
       2     3

if n = 5

output = 

       1     2
       1     3
       1     4
       1     5
       2     3
       2     4
       2     5
       3     4
       3     5
       4     5

Good luck!!

Solve

Solution Stats

56.04% Correct | 43.96% Incorrect
Last Solution submitted on Mar 21, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers129

Suggested Problems

More from this Author30

Problem Tags

combinations nchoosek

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!
Go to top of page