# Physical deep learning with biologically inspired training method: gradient-free approach for physical hardware

> Research article (Nature Communications, 2022) · cited 105× · AI/ML

**Wikidata**: [openalex:W4312220016](https://www.wikidata.org/wiki/openalex:W4312220016)  
**Source**: https://4ort.xyz/entity/physical-deep-learning-with-biologically-inspired-training-method-gradient-free-approach-for-physical-hardware