Cody

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

Solution 1964506

Submitted on 7 Oct 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
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))

Index in position 1 is invalid. Array indices must be positive integers or logical values. Error in eye_first_last (line 4) y(0,0)=[0]; Error in Test1 (line 3) assert(isequal(eye_first_last(x),y_correct))

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

Index in position 1 is invalid. Array indices must be positive integers or logical values. Error in eye_first_last (line 4) y(0,0)=[0]; Error in Test2 (line 3) assert(isequal(eye_first_last(x),y_correct))

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

Index in position 1 is invalid. Array indices must be positive integers or logical values. Error in eye_first_last (line 4) y(0,0)=[0]; Error in Test3 (line 3) assert(isequal(eye_first_last(x),y_correct))

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

Index in position 1 is invalid. Array indices must be positive integers or logical values. Error in eye_first_last (line 4) y(0,0)=[0]; Error in Test4 (line 3) assert(isequal(eye_first_last(x),y_correct))