Sum the numbers on the main diagonal - MATLAB Cody - MATLAB Central

Problem 1529. Sum the numbers on the main diagonal

Difficulty:Rate

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.

Solution Stats

79.9% Correct | 20.1% Incorrect
Last Solution submitted on May 06, 2025

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