2.14.24.58 problem 2358 out of 2993

Link to actual problem [10918] \[ \boxed {x y^{\prime \prime }+\left (a \,x^{n}+b \right ) y^{\prime }+a \left (b -1\right ) x^{n -1} y=0} \]

type detected by program

{"second_order_change_of_variable_on_y_method_2"}

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

\begin{align*} \left [\underline {\hspace {1.25 ex}}\xi &= 0, \underline {\hspace {1.25 ex}}\eta &= x^{-\frac {3 n}{2}+\frac {1}{2}-\frac {b}{2}} {\mathrm e}^{-\frac {a \,x^{n}}{2 n}} \left (n \left (a \,x^{n}+b +n -1\right ) \operatorname {WhittakerM}\left (\frac {b -n -1}{2 n}, \frac {b +2 n -1}{2 n}, \frac {a \,x^{n}}{n}\right )+\operatorname {WhittakerM}\left (\frac {b +n -1}{2 n}, \frac {b +2 n -1}{2 n}, \frac {a \,x^{n}}{n}\right ) \left (b +n -1\right )^{2}\right )\right ] \\ \left [R &= x, S \left (R \right ) &= \frac {x^{\frac {3 n}{2}} x^{\frac {b}{2}} {\mathrm e}^{\frac {a \,x^{n}}{2 n}} y}{\sqrt {x}\, \left (n \left (a \,x^{n}+b +n -1\right ) \operatorname {WhittakerM}\left (\frac {b -n -1}{2 n}, \frac {b +2 n -1}{2 n}, \frac {a \,x^{n}}{n}\right )+\operatorname {WhittakerM}\left (\frac {b +n -1}{2 n}, \frac {b +2 n -1}{2 n}, \frac {a \,x^{n}}{n}\right ) \left (b +n -1\right )^{2}\right )}\right ] \\ \end{align*}