Cody

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

Solution 487548

Submitted on 18 Aug 2014 by Zikobrelli
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Test Suite

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

ans = 1 ans = 0 ans = 0

4   Pass
%% Test 4 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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