example6_38.m

<MATLAB 7辅助控制系统设计与仿真>书籍内的源代码.

A=[-4 1;0 -2];
B=[2;1];
C=[1 3];
D=0;
n=2;
CAM=ctrb(A,B);
rcam=rank(CAM);
if rcam==n
    disp('System is controlled')
elseif rcam<n
    disp('System is no controlled')
end
ob=obsv(A,C);
roam=rank(ob);
if roam==n
    disp('System is observable')
elseif roam~=n
    disp('System is no observable')
end