# DifferentialEquations.jl callbacks\_buckExample not giving correct output

**URL:** https://discourse.julialang.org/t/differentialequations-jl-callbacks-buckexample-not-giving-correct-output/106444
**Category:** Modelling & Simulations
**Created:** [November 19, 2023, 10:33pm UTC](https://discourse.julialang.org/t/differentialequations-jl-callbacks-buckexample-not-giving-correct-output/106444 "2023-11-19T22:33:10Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![mongi](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mongi/32/43334_2.png) [@mongi](https://discourse.julialang.org/u/mongi)
#### Post date: [November 19, 2023, 10:33pm UTC](https://discourse.julialang.org/t/differentialequations-jl-callbacks-buckexample-not-giving-correct-output/106444/1 "2023-11-19T22:33:10Z")

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Greetings,  
I have a question about the use of callbacks in differentialEquation.jl that was asked here:  
[https://github.com/SciML/DifferentialEquations.jl/issues/998](https://github.com/SciML/DifferentialEquations.jl/issues/998)

thank you for your help

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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: [November 19, 2023, 10:42pm UTC](https://discourse.julialang.org/t/differentialequations-jl-callbacks-buckexample-not-giving-correct-output/106444/2 "2023-11-19T22:42:13Z")

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This is better dealt with as an issue. Let’s keep the discussion there instead of double posting.