# Unable to change system size in DDE problem using DifferentialEquations.jl

**URL:** <https://discourse.julialang.org/t/unable-to-change-system-size-in-dde-problem-using-differentialequations-jl/102103>\
**Category:** Numerics\
**Tags:** question, package, diffeq, differentialequation\
**Created:** [July 26, 2023, 9:42am UTC](https://discourse.julialang.org/t/unable-to-change-system-size-in-dde-problem-using-differentialequations-jl/102103 "2023-07-26T09:42:04Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![jewh](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jewh/32/28586_2.png) [@jewh](https://discourse.julialang.org/u/jewh)\
**Post date:** [August 2, 2023, 6:12pm UTC](https://discourse.julialang.org/t/unable-to-change-system-size-in-dde-problem-using-differentialequations-jl/102103/7 "2023-08-02T18:12:45Z")

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@devmotion do you have any advice? Looks like along with Chris you were quite involved in writing the `resize!` function for DelayDiffEq.jl.

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