# DiffEq.jl What solver was used

**URL:** <https://discourse.julialang.org/t/diffeq-jl-what-solver-was-used/80706>\
**Category:** Numerics\
**Created:** [May 8, 2022, 12:20pm UTC](https://discourse.julialang.org/t/diffeq-jl-what-solver-was-used/80706 "2022-05-08T12:20:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Siempie](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/siempie/32/32790_2.png) [@Siempie](https://discourse.julialang.org/u/Siempie)\
**Post date:** [May 8, 2022, 12:20pm UTC](https://discourse.julialang.org/t/diffeq-jl-what-solver-was-used/80706/1 "2022-05-08T12:20:18Z")

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When you do not specify which solver should be used DiffEq.jl has a method for choosing which solver to use. I want to know which solver was used after solving.  
How can i found out what solver was chosen?

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**Author:** ![DanielVandH](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/danielvandh/32/31134_2.png) [@DanielVandH](https://discourse.julialang.org/u/DanielVandH)\
**Post date:** [May 8, 2022, 12:24pm UTC](https://discourse.julialang.org/t/diffeq-jl-what-solver-was-used/80706/2 "2022-05-08T12:24:45Z")

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If `sol` is your output, then just look at `sol.alg`.

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<div class="post-metadata">

**Author:** ![Siempie](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/siempie/32/32790_2.png) [@Siempie](https://discourse.julialang.org/u/Siempie)\
**Post date:** [May 8, 2022, 12:46pm UTC](https://discourse.julialang.org/t/diffeq-jl-what-solver-was-used/80706/3 "2022-05-08T12:46:33Z")

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Thanks, i figured it was something like that. Just couldnt find it.