# doubly non-negative matrix

> matrix which are both non-negative and positive semidefinite

**Wikidata**: [Q22582534](https://www.wikidata.org/wiki/Q22582534)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Doubly_non-negative_matrix)  
**Source**: https://4ort.xyz/entity/doubly-non-negative-matrix