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Problem 45317. Positive Definiteness of a Matrix

Solution 2194314

Submitted on 5 Apr 2020 by Martin C.
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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))

y = logical 1

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

y = logical 0

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

y = logical 1

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

y = logical 0

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