Cody

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

Solution 1570134

Submitted on 27 Jun 2018 by David Verrelli
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
Solve This Problem View on Solution Map

Test Suite

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

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

y_correct = 1 0 0 2 ans = 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 ans = 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 ans = 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 ans = 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 ans = 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

Suggested Problems

More from this Author7