The equation which is solved to find a Matrix's Eigenvalues, also called the
Characteristic Polynomial. Given a system of equations with Matrix
See also Ballieu's Theorem, Cayley-Hamilton Theorem, Parodi's Theorem, Routh-Hurwitz Theorem
Gradshteyn, I. S. and Ryzhik, I. M. Tables of Integrals, Series, and Products, 5th ed. San Diego, CA:
Academic Press, pp. 1117-1119, 1979.