eigenvalue = -7 mult 1 eigenvalue = -3.49396 mult 2 eigenvalue = -3.48183 mult 2 eigenvalue = -3.18168 mult 4 eigenvalue = -3 mult 1 eigenvalue = -2.64575 mult 2 eigenvalue = -2.60388 mult 2 eigenvalue = -1.96898 mult 2 eigenvalue = -1.37 mult 4 eigenvalue = -1 mult 6 eigenvalue = -0.109916 mult 2 eigenvalue = 0.109916 mult 2 eigenvalue = 1 mult 6 eigenvalue = 1.37 mult 4 eigenvalue = 1.96898 mult 2 eigenvalue = 2.60388 mult 2 eigenvalue = 2.64575 mult 2 eigenvalue = 3 mult 1 eigenvalue = 3.18168 mult 4 eigenvalue = 3.48183 mult 2 eigenvalue = 3.49396 mult 2 eigenvalue = 7 mult 1