Internal problem ID [8622]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1044.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [_Hermite]
\[ \boxed {y^{\prime \prime }-y^{\prime } x -a y=0} \]
✓ Solution by Maple
Time used: 0.094 (sec). Leaf size: 35
dsolve(diff(diff(y(x),x),x)-x*diff(y(x),x)-a*y(x)=0,y(x), singsol=all)
\[ y \left (x \right ) = c_{1} x \operatorname {KummerM}\left (\frac {1}{2}+\frac {a}{2}, \frac {3}{2}, \frac {x^{2}}{2}\right )+c_{2} x \operatorname {KummerU}\left (\frac {1}{2}+\frac {a}{2}, \frac {3}{2}, \frac {x^{2}}{2}\right ) \]
✓ Solution by Mathematica
Time used: 0.005 (sec). Leaf size: 39
DSolve[-(a*y[x]) - x*y'[x] + y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
\begin{align*} y(x)\to c_1 \operatorname {HermiteH}\left (-a,\frac {x}{\sqrt {2}}\right )+c_2 \operatorname {Hypergeometric1F1}\left (\frac {a}{2},\frac {1}{2},\frac {x^2}{2}\right ) \\ \end{align*}