Check if matrix A is nilpotent.
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.
Scoring for oriented dominoes
Is A the inverse of B?
Is the Point in a Circle?
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Sum of series IV
Sum of series I
Sum of series V
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