# An exact handling of the gradient for overcoming persistent problems in nonlinear observer design via convex optimization techniques

> Research article (Fuzzy Sets and Systems, 2020) · cited 33× · AI/ML

**Wikidata**: [openalex:W3019189500](https://www.wikidata.org/wiki/openalex:W3019189500)  
**Source**: https://4ort.xyz/entity/an-exact-handling-of-the-gradient-for-overcoming-persistent-problems-in-nonlinear-observer-design-via-convex-optimizatio