Internal problem ID [9345]
Book: Differential Gleichungen, E. Kamke, 3rd ed. Chelsea Pub. NY, 1948
Section: Chapter 2, linear second order
Problem number: 1011.
ODE order: 2.
ODE degree: 1.
CAS Maple gives this as type [[_2nd_order, _with_linear_symmetries]]
\[ \boxed {y^{\prime \prime }-\left (x^{2}+1\right ) y=0} \]
✓ Solution by Maple
Time used: 0.0 (sec). Leaf size: 17
dsolve(diff(diff(y(x),x),x)-(x^2+1)*y(x)=0,y(x), singsol=all)
\[ y \left (x \right ) = {\mathrm e}^{\frac {x^{2}}{2}} \left (c_{1} +\operatorname {erf}\left (x \right ) c_{2} \right ) \]
✓ Solution by Mathematica
Time used: 0.02 (sec). Leaf size: 33
DSolve[(-1 - x^2)*y[x] + y''[x] == 0,y[x],x,IncludeSingularSolutions -> True]
\[ y(x)\to c_1 \operatorname {ParabolicCylinderD}\left (-1,\sqrt {2} x\right )+c_2 \operatorname {ParabolicCylinderD}\left (0,i \sqrt {2} x\right ) \]