(2.~对状态转移矩阵~begin{equatio...

选项

A. A.( begin{equation} dot{Phi}=-AcdotPhi(t)=-Phi(t)cdot A end{equation} )

B. B.( begin{equation} dot{Phi}=AcdotPhi(-t)=Phi(-t)cdot A end{equation} )

C. C.( begin{equation} dot{Phi}=AcdotPhi(t)=Phi(t)cdot A end{equation} )

D. D.( begin{equation} dot{Phi}=-AcdotPhi(-t)=Phi(-t)cdot -A end{equation} )

正确答案：

(2.~对状态转移矩阵~begin{equation}Phi(t)=e^{At},end{equation}下面叙述正确的是)