# Sturm-Liouville Problems

Sturm-Liouville theory deals with a class of second-order linear differential equations with important applications in physics and engineering. These problems yield eigenvalues and eigenfunctions that can be used to solve more complex PDEs through spectral methods.

```{toctree}
:maxdepth: 1
:caption: Contents

Bessel
Chebyshev
Helmholtz
Hermite
Laguerre
Legendre
```