Question

و رد ) = نے

HELP REQUIRED ASAP

Answer 1

The matrix exp(At) is state transition matrix and it is denoted by

$\mathbf{\Phi} (t) = exp(\textbf{A}t)$

So,   $exp(\textbf{A}t) = \mathbf{\Phi} (t) = \begin{pmatrix} e^t & e^{3t} \\ e^{-t} & e^{3t} \end{pmatrix}$