2.14.9.38 problem 838 out of 2993

Link to actual problem [6058] \[ \boxed {x^{2} y^{\prime \prime }+5 y^{\prime } x +\left (-x^{3}+3\right ) y=0} \] With the expansion point for the power series method at \(x = 0\).

type detected by program

{"second order series method. Regular singular point. Difference is integer"}

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 [\underline {\hspace {1.25 ex}}\xi &= 0, \underline {\hspace {1.25 ex}}\eta &= \frac {\operatorname {BesselI}\left (\frac {2}{3}, \frac {2 x^{\frac {3}{2}}}{3}\right )}{x^{2}}\right ] \\ \left [R &= x, S \left (R \right ) &= \frac {x^{2} y}{\operatorname {BesselI}\left (\frac {2}{3}, \frac {2 x^{\frac {3}{2}}}{3}\right )}\right ] \\ \end{align*}

\begin{align*} \left [\underline {\hspace {1.25 ex}}\xi &= 0, \underline {\hspace {1.25 ex}}\eta &= \frac {\operatorname {BesselK}\left (\frac {2}{3}, \frac {2 x^{\frac {3}{2}}}{3}\right )}{x^{2}}\right ] \\ \left [R &= x, S \left (R \right ) &= \frac {x^{2} y}{\operatorname {BesselK}\left (\frac {2}{3}, \frac {2 x^{\frac {3}{2}}}{3}\right )}\right ] \\ \end{align*}