# \#pinn

**URL:** https://discourse.julialang.org/tag/pinn/1912.md

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## [Minimal PINN example in Julia that works with current packages?](https://discourse.julialang.org/t/minimal-pinn-example-in-julia-that-works-with-current-packages/137147)

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**Author:** [@photor](https://discourse.julialang.org/u/photor)\
**Replies:** 4\
**Last updated:** [May 18, 2026, 8:59am UTC](https://discourse.julialang.org/t/minimal-pinn-example-in-julia-that-works-with-current-packages/137147 "2026-05-18T08:59:03Z")

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Hi, I’m trying to write a simple PINN (e.g., Newton cooling ODE) in Julia. I’ve tried Flux + Zygote but keep hitting issues from recent API changes and slow higher‑order AD. What’s the current recommended stack and a min…