Cody

# Problem 2480. Change the first and last diagonal element of the identity matrix to zero

Solution 2896328

Submitted on 31 Aug 2020 by Jerry Wright
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### Test Suite

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

ans = 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 ans = 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 ans = 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0

2   Pass
x = 2; y_correct = [0 0;0 0]; assert(isequal(eye_first_last(x),y_correct))

ans = 1 0 0 1 ans = 0 0 0 1 ans = 0 0 0 0

3   Pass
x=1; y_correct = [0]; assert(isequal(eye_first_last(x),y_correct))

ans = 1 ans = 0 ans = 0

4   Pass
x=3; y_correct = [0 0 0;0 1 0;0 0 0]; assert(isequal(eye_first_last(x),y_correct))

ans = 1 0 0 0 1 0 0 0 1 ans = 0 0 0 0 1 0 0 0 1 ans = 0 0 0 0 1 0 0 0 0

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