# Exogenous functions and data in ODE aren't working if modertly complicated

**URL:** <https://discourse.julialang.org/t/exogenous-functions-and-data-in-ode-arent-working-if-modertly-complicated/66678>\
**Category:** Numerics\
**Tags:** question, diffeq\
**Created:** [August 19, 2021, 3:08pm UTC](https://discourse.julialang.org/t/exogenous-functions-and-data-in-ode-arent-working-if-modertly-complicated/66678 "2021-08-19T15:08:24Z")\
**Posts on this page:** 1\
**Showing post:** 7

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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:** [August 19, 2021, 10:07pm UTC](https://discourse.julialang.org/t/exogenous-functions-and-data-in-ode-arent-working-if-modertly-complicated/66678/7 "2021-08-19T22:07:05Z")

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And [Handling Instability When Solving ODE Problems - #5 by ChrisRackauckas](https://discourse.julialang.org/t/handling-instability-when-solving-ode-problems/9019/5) goes into some strategies for handling discontinuous inputs.

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