# Solving HJB PDE using deep learning

**URL:** <https://discourse.julialang.org/t/solving-hjb-pde-using-deep-learning/60639>\
**Category:** Numerics\
**Tags:** economics, pde\
**Created:** [May 6, 2021, 10:35am UTC](https://discourse.julialang.org/t/solving-hjb-pde-using-deep-learning/60639 "2021-05-06T10:35:48Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [December 18, 2021, 8:40am UTC](https://discourse.julialang.org/t/solving-hjb-pde-using-deep-learning/60639/13 "2021-12-18T08:40:53Z")

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> [@Goosee](#):
>
> While I find that the code above worked for this specific model I have not been able to scale up to more complex versions, say by adding a diffusion in productivity or more state variables.

Yeah this probably needs the adaptive loss functions that we’re working on. Can you add the not working ones to the repo? @kirillzubov @zobot it would be good to as these as testing functions.

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