hey,
i am facing a problem in the observability mathscript . following is the command i am using for findong OBSERVABILITY of 4 matrices A,B,C,D which i have already defined.
Ob=obsv(A,C)'
rank(Ob)
RO=rank(Ob)
CO=CTRB(A,B)
rank(CO)
RC=rank(CO)
It cannot identify the 'obsc' and 'CTRB' commands. Please help.