Given a matrix, return the sum of all the elements across the diagonals.

E.g. A = [1 2 3; 4 5 6; 7 8 9;]

then, sum = 25 as sum of (1, 3, 7, 9,5)

Solve

Solution Stats

728 Solutions

229 Solvers

Last Solution submitted on Jan 23, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers229

Boldizsar Vasilis Bellos Bin Jiang Kathleen

Suggested Problems

More from this Author25

Problem Tags

Community Treasure Hunt

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

Start Hunting!