# An efficient preconditioning method for state box-constrained optimal control problems

> Research article (Journal of Numerical Mathematics, 2018) · cited 17× · AI/ML

**Wikidata**: [openalex:W2898673772](https://www.wikidata.org/wiki/openalex:W2898673772)  
**Source**: https://4ort.xyz/entity/an-efficient-preconditioning-method-for-state-box-constrained-optimal-control-problems