Sum the 'edge' values of an input matrix (the values along the perimeter).

Example

 [1 2 3
  4 5 6
  7 8 9]

Output = 1 + 2 + 3 + 6 + 9 + 8 + 7 + 4 = 40;

Assumption: Input matrix equal or bigger than 3x3.

Solve

Solution Stats

894 Solutions

400 Solvers

Last Solution submitted on Feb 14, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers400

Thilanka Udara Matthew Bolyard 和 Lorenzo

Suggested Problems

More from this Author2

Problem Tags

Community Treasure Hunt

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

Start Hunting!