%%% Eigenvalues
num speed real imag realhz imaghz 
{1} 9.810000000000e+00 -9.513581914352e-16 6.791341869219e+00 -1.514133588179e-16 1.080875628713e+00
{2} 9.810000000000e+00 -9.513581914352e-16 -6.791341869219e+00 -1.514133588179e-16 -1.080875628713e+00
{3} 9.810000000000e+00 4.085624112006e+00 0.000000000000e+00 6.502472730413e-01 0.000000000000e+00
{4} 9.810000000000e+00 -4.085624112006e+00 0.000000000000e+00 -6.502472730413e-01 0.000000000000e+00