Cody

# Problem 43689. Make an identity matrix whose diagonal elements are 1:n

Solution 1438530

Submitted on 11 Feb 2018 by William
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### Test Suite

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

2   Pass
n = 2; y_correct = [1 0;0 2] assert(isequal(special_eye(n),y_correct))

y_correct = 1 0 0 2

3   Pass
n = 3; y_correct = [1 0 0;0 2 0;0 0 3] assert(isequal(special_eye(n),y_correct))

y_correct = 1 0 0 0 2 0 0 0 3

4   Pass
n = 4; y_correct = [1 0 0 0;0 2 0 0;0 0 3 0;0 0 0 4] assert(isequal(special_eye(n),y_correct))

y_correct = 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 4

5   Pass
n = 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(special_eye(n),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

6   Pass
n = 6; y_correct = [1 0 0 0 0 0;0 2 0 0 0 0;0 0 3 0 0 0; 0 0 0 4 0 0; 0 0 0 0 5 0; 0 0 0 0 0 6] assert(isequal(special_eye(n),y_correct))

y_correct = 1 0 0 0 0 0 0 2 0 0 0 0 0 0 3 0 0 0 0 0 0 4 0 0 0 0 0 0 5 0 0 0 0 0 0 6