Determine the sum of diagonal elements in a matrix excluding negative and NaN values - MATLAB Cody - MATLAB Central

Problem 46102. Determine the sum of diagonal elements in a matrix excluding negative and NaN values

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Given a NxN matrix, find the summation of all elements present in the diagonal excluding any negative and NaN values. If all the elements are either negative values or NaN values, return 0.
%Example:
A = [1 0; 0 NaN]; ans = 1;
B = [2 0; 0 -1]; ans = 2;
C = [-1 0; 0 -1]; ans = 0;
Solve

Solution Stats

57.5% Correct | 42.5% Incorrect
Last Solution submitted on May 05, 2025

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