>> fiDesign=[fiVM [0 0]'
             gamacomp*C ficomp]
fiDesign =
    0.8187   -0.0600         0
    0.8484    0.7349         0
         0    1.0000    1.0000
>> gamaDesign=[gamaA
               0]
gamaDesign =
    0.5016
    0.1475
         0
>> % continuous-time closed-loop poles
>> Ps=[-2.449E3 +2.337E3j -2.449E3-2.337E3j -3.093E3 ]
Ps =
  1.0e+003 *
  -2.4490                  0 + 2.3370i  -2.4490 - 2.3370i  -3.0930         
>> % discrete-time closed-loop poles
>> Pz=(exp( Ps*Ts) )
Pz =
   0.7828             0.9728 + 0.2316i   0.7615 - 0.1813i   0.7340         
>> %Calculate the Feedhack gains
>> L=place(fiDesign,gamaDesign,Pz)
??? Error using ==> place
P must have the same number of states as A.
极点配置反馈矩阵L的求取应该没错吧，请高手帮忙解答 感激不尽*^_^*
 
提示错误怎么解决？