# trace

> sum of the elements of the main diagonal of a square matrix

**Wikidata**: [Q321102](https://www.wikidata.org/wiki/Q321102)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Trace_(linear_algebra))  
**Source**: https://4ort.xyz/entity/trace-q321102


## References

1. Freebase Data Dumps. 2013
2. ISO 80000-2:2019 Quantities and units — Part 2: Mathematics