Problem 1153. Accessing elements on the diagonal

Created by HARISANKAR PS

Solve Later

Access the diagonal elements of a matrix without 'diag' function

Solve

Solution Stats

288 Solutions
105 Solvers

Last Solution submitted on Sep 21, 2025

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Richard Zapor on 30 Dec 2012

Confused by test 6, x = [1:3;4:6;7:9;10:12]';
y_correct = [1 6 11]; I think this should be [1 5 9] as array is [1 4 7 10;2 5 8 11;3 6 9 12]

Solution Comments

Show comments

Problem Recent Solvers105

Suggested Problems

Replace NaNs with the number that appears to its left in the row.

3035 Solvers
All your base are belong to us

561 Solvers
"Low : High - Low : High - Turn around " -- Create a subindices vector

566 Solvers
Arrange vector in ascending order

798 Solvers
Implement simple rotation cypher

1087 Solvers

More from this Author5

Find the solution of algebraic equation

56 Solvers
Find out missing number from a vector of 9 elements

309 Solvers
Identify the heavier bag

56 Solvers
Generate pi using logarithm

248 Solvers
Reverse the elements of an array

1084 Solvers

Problem Tags

Community Treasure Hunt

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

Start Hunting!