Draw a '3' in a zero matrix! - MATLAB Cody - MATLAB Central

Problem 50882. Draw a '3' in a zero matrix!

Difficulty:Rate
Given a x-by-x matrix filled with zeros (x is odd and > 3). Use 3s to draw a number 3 into it! Like this:
x = 5, y =
3 3 3 3 3
0 0 0 0 3
3 3 3 3 3
0 0 0 0 3
3 3 3 3 3
x = 7, y =
3 3 3 3 3 3 3
0 0 0 0 0 0 3
0 0 0 0 0 0 3
3 3 3 3 3 3 3
0 0 0 0 0 0 3
0 0 0 0 0 0 3
3 3 3 3 3 3 3

Solution Stats

74.12% Correct | 25.88% Incorrect
Last Solution submitted on Jun 17, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers513

Suggested Problems

More from this Author12

Problem Tags

x

Community Treasure Hunt

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

Start Hunting!