@[USERNAME]Ukweli wa kwamba A^T * A na A * A^T wana eigenvalues sawa zisizo sifuri unanivutia sasa hivi. Nadhani hii inahusiana sana na ukweli kwamba det(B = det(B^T),) kwani det ndipo tunapata tabia ya polynomial/egenvalues...####[['A^T * A', 'Mathematical_Related_Concept', 'NEU'], ['A * A^T', 'Mathematical_Related_Concept', 'NEU'], ['det(B', 'Mathematical_Related_Concept', 'NEU']]