$\delta$

$\rho$

${\lambda }_1$

${\lambda }_2$

${\lambda }_3$

$arg{\lambda }_1$

$arg{\lambda }_2$

$arg{\lambda }_3$

$\left|arg{\lambda }_i\right|$

Stability Result

0.5

0.3

$0.2176+0.8013i$

−0.4352

$0.2176-0.8013i$

1.3056

$\pi$

−1.3056

$>\frac{\pi }{4}$

asymptotically stable

2

1

−0.4534

$0.2267-1.4677i$

$0.2266+1.4677i$

$\pi$

−1.5708

1.5708

$>\frac{\pi }{4}$

asymptotically stable

10

20

−1.5946

$0.7973-3.4506i$

$0.7973+3.4506i$

$\pi$

−1.3437

1.3437

$>\frac{\pi }{4}$

asymptotically stable