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 Solvers101
Suggested Problems
-
Rounding off numbers to n decimals
4319 Solvers
-
Matlab Basics II - Count rows in a matrix
368 Solvers
-
Write a code that will follow the equation y = x * (x + x) * x.
326 Solvers
-
Find my daddy long leg (No 's')
2288 Solvers
-
769 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!