for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Example : in->[2 3 NaN 5] and out->[2 2 3 3 NaN NaN 5 5]

Solve

Solution Stats

1175 Solutions

634 Solvers

Last Solution submitted on Jan 06, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers634

李 Norberto Jack Sampson d

Suggested Problems

More from this Author10

Problem Tags

Community Treasure Hunt

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

Start Hunting!