Cody

# Problem 42691. Matrix of almost all zeros, except for main diagonal

Solution 1564878

Submitted on 20 Jun 2018 by Srishti Saha
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### Test Suite

Test Status Code Input and Output
1   Pass
x = 5; y_correct = [1 0 0 0 0; 0 2 0 0 0; 0 0 3 0 0; 0 0 0 4 0; 0 0 0 0 5] assert(isequal(mat(x),y_correct))

y_correct = 1 0 0 0 0 0 2 0 0 0 0 0 3 0 0 0 0 0 4 0 0 0 0 0 5 ans = 1 0 0 0 0 0 2 0 0 0 0 0 3 0 0 0 0 0 4 0 0 0 0 0 5

2   Pass
x = 10; y_correct = [1 0 0 0 0 0 0 0 0 0; 0 2 0 0 0 0 0 0 0 0; 0 0 3 0 0 0 0 0 0 0; 0 0 0 4 0 0 0 0 0 0; 0 0 0 0 5 0 0 0 0 0; 0 0 0 0 0 6 0 0 0 0; 0 0 0 0 0 0 7 0 0 0; 0 0 0 0 0 0 0 8 0 0; 0 0 0 0 0 0 0 0 9 0; 0 0 0 0 0 0 0 0 0 10] assert(isequal(mat(x),y_correct))

y_correct = 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 9 0 0 0 0 0 0 0 0 0 0 10 ans = 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 7 0 0 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 9 0 0 0 0 0 0 0 0 0 0 10