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Problem 351. Back to basics 8 - Matrix Diagonals

Solution 1751699

Submitted on 15 Mar 2019 by Siriniharika Katukam
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Test Suite

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

l = 4 y = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 y = 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 0 y = 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 4
2   Pass
x = [100 23 3.14 12 200]; y_correct = [100.0000 0 0 0 0; 0 23.0000 0 0 0; 0 0 3.1400 0 0; 0 0 0 12.0000 0; 0 0 0 0 200.0000] assert(isequal(diag_array(x),y_correct))

y_correct = 100.0000 0 0 0 0 0 23.0000 0 0 0 0 0 3.1400 0 0 0 0 0 12.0000 0 0 0 0 0 200.0000 l = 5 y = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 100 0 0 0 0 0 23 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y = 100.0000 0 0 0 0 0 23.0000 0 0 0 0 0 3.1400 0 0 0 0 0 0 0 0 0 0 0 0 y = 100.0000 0 0 0 0 0 23.0000 0 0 0 0 0 3.1400 0 0 0 0 0 12.0000 0 0 0 0 0 0 y = 100.0000 0 0 0 0 0 23.0000 0 0 0 0 0 3.1400 0 0 0 0 0 12.0000 0 0 0 0 0 200.0000

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