Property analysis

-->//stability (unstable system !)
-->//
--> spec(f)
 ans  =
! - 7.2552756              !
!   7.2552756              !
! - 3.081D-16 + 1.159D-08i !
! - 3.081D-16 - 1.159D-08i !
-->//
-->//controlability
-->//
--> n=contr(f,g)
 n  =
    4.
-->//
-->//observability
-->//
--> m1=contr(f',h(1,:)')
 m1  =
    4.
-->//
--> [m2,t]=contr(f',h(2,:)')
 t  =
!   0.    0.  - 1.    0. !
!   0.    0.    0.    1. !
! - 1.    0.    0.    0. !
!   0.    1.    0.    0. !
 m2  =
    2.