Problem 43689. Make an identity matrix whose diagonal elements are 1:n
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]
Solution Stats
Problem Comments
-
1 Comment
goc3
on 21 Dec 2016
This problem's title and description were cleaned up and additional test cases were added.
Solution Comments
Show commentsProblem Recent Solvers102
Suggested Problems
-
7280 Solvers
-
4457 Solvers
-
Given a matrix, swap the 2nd & 3rd columns
1050 Solvers
-
751 Solvers
-
Rotate a matrix for 180 degree
175 Solvers
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!