eigenvalue = -7	mult 1
eigenvalue = -5	mult 1
eigenvalue = -3.82843	mult 2
eigenvalue = -3.44949	mult 8
eigenvalue = -2.41421	mult 4
eigenvalue = -1.82843	mult 2
eigenvalue = -1.44949	mult 8
eigenvalue = -1	mult 6
eigenvalue = -0.414214	mult 4
eigenvalue = 0.414214	mult 4
eigenvalue = 1	mult 6
eigenvalue = 1.44949	mult 8
eigenvalue = 1.82843	mult 2
eigenvalue = 2.41421	mult 4
eigenvalue = 3.44949	mult 8
eigenvalue = 3.82843	mult 2
eigenvalue = 5	mult 1
eigenvalue = 7	mult 1