Characteristic polynomial
= Characteristic polynomial
{wiki}
The characteristic polynomial is
$$
\chi_A(t)=\det(tI-A).
$$
Its roots are precisely the eigenvalues of $A$.
= Characteristic polynomial
{wiki}
The characteristic polynomial is
$$
\chi_A(t)=\det(tI-A).
$$
Its roots are precisely the eigenvalues of $A$.