Inspired by Problem 18, create a bullseye matrix with the addition of padding equal to 0 between concentric rings. Matrices are square with outer ring equal to input n.
n=1
1
n=2
2 2 2 2 2
2 0 0 0 2
2 0 1 0 2
2 0 0 0 2
2 2 2 2 2
n=3
3 3 3 3 3 3 3 3 3
3 0 0 0 0 0 0 0 3
3 0 2 2 2 2 2 0 3
3 0 2 0 0 0 2 0 3
3 0 2 0 1 0 2 0 3
3 0 2 0 0 0 2 0 3
3 0 2 2 2 2 2 0 3
3 0 0 0 0 0 0 0 3
3 3 3 3 3 3 3 3 3
Solve

Solution Stats

17 Solutions

12 Solvers

Last Solution submitted on Jun 04, 2026

Last 200 Solutions

Solution Comments

Show comments

Problem Recent Solvers12

Chris Cleveland George Berken Nikolaos Nikolaou Dyuman Joshi

Suggested Problems

More from this Author3

Problem Tags

Community Treasure Hunt

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

Start Hunting!