Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Examples:
Input n = 3
Output a is [ 2 2 2
2 1 2
2 2 2 ]
Input n = 5
Output a is [ 3 3 3 3 3
3 2 2 2 3
3 2 1 2 3
3 2 2 2 3
3 3 3 3 3 ]

Solution Stats

11610 Solutions

6080 Solvers

Last Solution submitted on Jan 24, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments
Loading...

Problem Recent Solvers6080

Suggested Problems

More from this Author96

Problem Tags

Community Treasure Hunt

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

Start Hunting!