eigenvalue = -4 mult 2 eigenvalue = -3.32088 mult 4 eigenvalue = -2.73205 mult 4 eigenvalue = -1.64575 mult 4 eigenvalue = -1.35194 mult 4 eigenvalue = 0 mult 1 eigenvalue = 0.732051 mult 4 eigenvalue = 2 mult 4 eigenvalue = 2.67282 mult 4 eigenvalue = 3.64575 mult 4 eigenvalue = 8 mult 1