May I ask what is the definition of Nilpotent matrix. I suppose that is A^k =0 for some k? If I am right, then 0 must be an eigenvalue of A, then there is some issues for the test problems.
@Ling Liang , take some tolerance while checking the equality of eigen value with zero.
Test for balanced parentheses
Sum all integers from 1 to 2^n
Arrange vector in ascending order
Create an index-powered vector
03 - Matrix Variables 2
Sum of series III
Sum of series VII
Sum of series V
Sum of series I
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