# Julia DifferentialEquations: add two delays into ODE

**URL:** <https://discourse.julialang.org/t/julia-differentialequations-add-two-delays-into-ode/50362>\
**Category:** Numerics\
**Tags:** question, package, diffeq\
**Created:** [November 18, 2020, 8:06am UTC](https://discourse.julialang.org/t/julia-differentialequations-add-two-delays-into-ode/50362 "2020-11-18T08:06:01Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![MatFi](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/matfi/32/10002_2.png) [@MatFi](https://discourse.julialang.org/u/MatFi)\
**Post date:** [November 18, 2020, 9:59pm UTC](https://discourse.julialang.org/t/julia-differentialequations-add-two-delays-into-ode/50362/4 "2020-11-18T21:59:52Z")

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I think you have two options here:

1. Add also the second activation time to the `tstops` array e.g. `tstopts=[1000, 1100]`
2. Simply use `ContinuousCallback`’s and forget about `tstops`

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