# How to debug ODE

**URL:** <https://discourse.julialang.org/t/how-to-debug-ode/50576>\
**Category:** Numerics\
**Tags:** package, debugging, calculus\
**Created:** [November 22, 2020, 10:39am UTC](https://discourse.julialang.org/t/how-to-debug-ode/50576 "2020-11-22T10:39:43Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![Luigi\_Marongiu](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/luigi_marongiu/32/7909_2.png) [@Luigi\_Marongiu](https://discourse.julialang.org/u/Luigi_Marongiu)\
**Post date:** [December 9, 2020, 1:48pm UTC](https://discourse.julialang.org/t/how-to-debug-ode/50576/13 "2020-12-09T13:48:32Z")

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Interestingly, I tried with t=900 or 1100, and I get this:

 ![Model_1](https://global.discourse-cdn.com/julialang/original/3X/e/d/ed2bb1188618d153e84d26de78bde5303ab05ae8.png)

So I got lucky the first time choosing 1000 as t\_in…

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