Eigenvalue

$\sigma \pm j\omega$

Damping ratio

$-\frac{\sigma }{\sqrt{{\sigma }^2+{\omega }^2}}$

Frequency (Hz)

$\frac{\omega }{2\text{π}}$

$-0.04052\pm 3.410j$

$-0.1539\pm 4.948j$

0.01188

0.03108

0.5427

0.7875