Cody

Problem 2905. Decide whether determinant is zero.

Solution 1121387

Submitted on 12 Feb 2017 by Jihye Sofia Seo
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Test Suite

Test Status Code Input and Output
1   Pass
x = [4,3,6; 2,5,3; 8,2,6] y_correct = 0; assert(isequal(is_it_zero(x),y_correct))

x = 4 3 6 2 5 3 8 2 6 r = 3 y = logical 0

2   Pass
x = [1,2,3; 4,5,6; 7,8,9] y_correct = 1; assert(isequal(is_it_zero(x),y_correct))

x = 1 2 3 4 5 6 7 8 9 r = 2 y = logical 1

3   Pass
x = [9,2,0; 4,4,0; 7,8,0] y_correct = 1; assert(isequal(is_it_zero(x),y_correct))

x = 9 2 0 4 4 0 7 8 0 r = 2 y = logical 1

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