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Ling Liang submitted a Comment to Problem 615. Nilpotent matrix

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.

58 minutes ago

Ling Liang received Commenter badge for Problem 615. Nilpotent matrix

58 minutes ago

Ling Liang submitted Solution 2098505 to Problem 3073. Projector Matrix

1 hour and 10 minutes ago

Ling Liang submitted Solution 2098504 to Problem 2130. Orthonormal matrix

1 hour and 12 minutes ago

Asif Newaz submitted Solution 2098502 to Problem 79. DNA N-Gram Distribution

1 hour and 14 minutes ago

Ahmed Ishrak submitted Solution 2098493 to Problem 8. Add two numbers

1 hour and 26 minutes ago

Ahmed Ishrak submitted Solution 2098489 to Problem 1. Times 2 - START HERE

1 hour and 30 minutes ago

Ahmed Ishrak received Solver badge for Solution 2098489

1 hour and 30 minutes ago

Mikko Harju submitted Solution 2098481 to Problem 262. Swap the input arguments

2 hours and 8 minutes ago

Mikko Harju submitted Solution 2098479 to Problem 29. Nearest Numbers

2 hours and 9 minutes ago

Mikko Harju submitted Solution 2098472 to Problem 94. Target sorting

2 hours and 14 minutes ago

Ihtesham Arif submitted Solution 2098470 to Problem 44960. Rescale Scores

2 hours and 15 minutes ago

Mikko Harju submitted Solution 2098469 to Problem 2015. Length of the hypotenuse

2 hours and 15 minutes ago

Mikko Harju submitted Solution 2098461 to Problem 60. The Goldbach Conjecture

2 hours and 22 minutes ago

Mikko Harju submitted Solution 2098456 to Problem 18. Bullseye Matrix

2 hours and 25 minutes ago

xr hu submitted Solution 2098453 to Problem 2023. Is this triangle right-angled?

2 hours and 29 minutes ago

Mikko Harju submitted Solution 2098451 to Problem 109. Check if sorted

2 hours and 29 minutes ago

Mikko Harju submitted Solution 2098449 to Problem 149. Is my wife right?

2 hours and 30 minutes ago

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