Link to actual problem [5685] \[ \boxed {y^{\prime \prime }+7 y^{\prime }+12 y=21 \,{\mathrm e}^{3 t}} \] With initial conditions \begin {align*} \left [y \left (0\right ) = {\frac {7}{2}}, y^{\prime }\left (0\right ) = -10\right ] \end {align*}
type detected by program
{"second_order_laplace", "second_order_linear_constant_coeff"}
type detected by Maple
[[_2nd_order, _with_linear_symmetries]]
Maple symgen result This shows Maple’s found \(\xi ,\eta \) and the corresponding canonical coordinates \(R,S\)\begin{align*} \\ \\ \end{align*}
\begin{align*} \\ \\ \end{align*}
\begin{align*} \\ \\ \end{align*}