Cody

Solution 1996591

Submitted on 30 Oct 2019
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Test Suite

Test Status Code Input and Output
1   Pass
x = 1; y_correct = false; assert(isequal(isnilpotent(x),y_correct))

2   Pass
x = gallery('chebspec',5,0); y_correct = true; assert(isequal(isnilpotent(x),y_correct))

3   Pass
x = gallery('chebspec',3,0); y_correct = true; assert(isequal(isnilpotent(x),y_correct))

4   Fail
x = [1 0 0;0 2 0; 0 0 -3]; y_correct = false; assert(isequal(isnilpotent(x),y_correct))

Error using ~ NaN's cannot be converted to logicals. Error in isnilpotent (line 1) function y=isnilpotent(A);y=~trace(A^(9^9)); Error in Test4 (line 3) assert(isequal(isnilpotent(x),y_correct))

5   Pass
x = [6 -9; 4 -6]; y_correct = true; assert(isequal(isnilpotent(x),y_correct))

6   Pass
x = rand(50); y_correct = false; assert(isequal(isnilpotent(x),y_correct))

Suggested Problems

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