eigenvalue = -5 mult 2 eigenvalue = -4.23607 mult 3 eigenvalue = -3 mult 5 eigenvalue = -2.23607 mult 6 eigenvalue = -0.236068 mult 3 eigenvalue = 0.236068 mult 3 eigenvalue = 1 mult 15 eigenvalue = 2.23607 mult 6 eigenvalue = 3 mult 1 eigenvalue = 4.23607 mult 3 eigenvalue = 7 mult 1