# Sturm–Liouville theory

> theory of 2nd‐order linear ODEs that are eigenvalue equations of the operator 𝑤(𝑥)⁻¹((d∕d𝑥)𝑝(𝑥)d∕d𝑥+𝑞(𝑥))

**Wikidata**: [Q1154082](https://www.wikidata.org/wiki/Q1154082)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sturm–Liouville_theory)  
**Source**: https://4ort.xyz/entity/sturm-liouville-theory


## References

1. Freebase Data Dumps. 2013
2. Quora
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)