Cody

Solution 2191968

Submitted on 4 Apr 2020 by Binbin Qi
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

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

ans = logical 1

2   Pass
x = 0; y_correct = 0; assert(isequal(pos_def(x),y_correct))

ans = logical 0

3   Pass
x = [2 -1 0;-1 2 -1;0 -1 2]; y_correct = 1; assert(isequal(pos_def(x),y_correct))

ans = logical 1

4   Pass
x = [-1 -2;2 1]; y_correct = 0; assert(isequal(pos_def(x),y_correct))

ans = logical 0