eigenvalue = -6 mult 1 eigenvalue = -4 mult 2 eigenvalue = -3.23607 mult 8 eigenvalue = -2 mult 6 eigenvalue = -1.23607 mult 4 eigenvalue = 0 mult 5 eigenvalue = 1.23607 mult 8 eigenvalue = 2 mult 5 eigenvalue = 3.23607 mult 4 eigenvalue = 4 mult 4 eigenvalue = 8 mult 1