TDSM 8.13
From The Data Science Design Manual Wikia
We have:
[math]\det(A-\lambda I) = \det(A-\lambda I)^T = \det(A^T - \lambda I^T) = \det(A^T - \lambda I) [/math]
So the eigenvalues of [math]A[/math] and [math]A^T[/math] are identical.
