Problem 615. Nilpotent matrix

Solution 1720519

Submitted on 4 Feb 2019 by Nikolaos Nikolaou

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Test	Status	Code Input and Output
1	Pass	x = 1; y_correct = false; assert(isequal(isnilpotent(x),y_correct)) y1 = 2 y = logical 0
2	Pass	x = gallery('chebspec',5,0); y_correct = true; assert(isequal(isnilpotent(x),y_correct)) y1 = 1 y = logical 1
3	Pass	x = gallery('chebspec',3,0); y_correct = true; assert(isequal(isnilpotent(x),y_correct)) y1 = 1 y = logical 1
4	Pass	x = [1 0 0;0 2 0; 0 0 -3]; y_correct = false; assert(isequal(isnilpotent(x),y_correct)) y1 = -12 y = logical 0
5	Pass	x = [6 -9; 4 -6]; y_correct = true; assert(isequal(isnilpotent(x),y_correct)) y1 = 1 y = logical 1
6	Pass	x = rand(50); y_correct = false; assert(isequal(isnilpotent(x),y_correct)) y1 = 978843243 y = logical 0