# A composite neural network that learns from multi-fidelity data: Application to function approximation and inverse PDE problems

> Research article (Journal of Computational Physics, 2019) · cited 670× · AI/ML

**Wikidata**: [openalex:W2919958648](https://www.wikidata.org/wiki/openalex:W2919958648)  
**Source**: https://4ort.xyz/entity/a-composite-neural-network-that-learns-from-multi-fidelity-data-application-to-function-approximation-and-inverse-pde-pr