Problem 2533. Find Out sum of principal diagonal element of given matrix

Solution 3162306

Submitted on 11 Oct 2020 by Lee Chih Jung
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Test Suite

Test Status Code Input and Output
1   Pass
x = 1; y_correct = 1; assert(isequal(sum_diag(x),y_correct))

2   Pass
x = eye(3); y_correct = 3; assert(isequal(sum_diag(x),y_correct))

3   Pass
x = magic(3); y_correct = 15; assert(isequal(sum_diag(x),y_correct))

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