For a given input n, make an n by n identity matrix that contains the elements 1:n along its diagonal. For example, if input=5:

 output = [1 0 0 0 0;
           0 2 0 0 0;
           0 0 3 0 0;
           0 0 0 4 0;
           0 0 0 0 5]
Solve

Solution Stats

178 Solutions

131 Solvers

Last Solution submitted on Jul 31, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers131

Monika karthik Sushmitha v Spoorthi

Suggested Problems

More from this Author7

Problem Tags

Community Treasure Hunt

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

Start Hunting!