Cody

Problem 1529. Sum the numbers on the main diagonal

Created by Tomasz Jakub in Community

Sum the numbers on the main diagonal of an n-by-n matrix. For input:

      A = [1 2 4
           3 6 2
           2 4 7]

The output value should equal 14.

Solve

Solution Stats

85.45% Correct | 14.55% Incorrect
Last solution submitted on Mar 19, 2019

Recent Solvers337

Suggested Problems

Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

MATLAB Academy

New to MATLAB?

Learn MATLAB today!