2.14.26.57 problem 2557 out of 2993

Link to actual problem [11332] \[ \boxed {x^{3} y^{\prime \prime }-\left (y^{\prime } x -y\right )^{2}=0} \]

type detected by program

{"unknown"}

type detected by Maple

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

Maple symgen result This shows Maple’s found \(\xi ,\eta \) and the corresponding canonical coordinates \(R,S\)\begin{align*} \\ \left [R &= x, S \left (R \right ) &= \frac {y}{x}\right ] \\ \end{align*}

\begin{align*} \\ \left [R &= \frac {y}{x}, S \left (R \right ) &= \ln \left (x \right )\right ] \\ \end{align*}

\begin{align*} \\ \left [R &= \frac {y}{x}, S \left (R \right ) &= -\frac {1}{x}\right ] \\ \end{align*}