# Warning secondorder ADtype in optimization.jl

**URL:** <https://discourse.julialang.org/t/warning-secondorder-adtype-in-optimization-jl/122539>\
**Category:** New to Julia\
**Tags:** differentiation, optimization\
**Created:** [November 12, 2024, 10:04am UTC](https://discourse.julialang.org/t/warning-secondorder-adtype-in-optimization-jl/122539 "2024-11-12T10:04:19Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![JADekker](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jadekker/32/210281_2.png) [@JADekker](https://discourse.julialang.org/u/JADekker)\
**Post date:** [November 12, 2024, 10:22am UTC](https://discourse.julialang.org/t/warning-secondorder-adtype-in-optimization-jl/122539/3 "2024-11-12T10:22:45Z")

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Thanks! By importing DifferentiationInterface I could just use

```julia
    optprob = OptimizationFunction(rosenbrock, SecondOrder(AutoForwardDiff(), AutoForwardDiff()), cons = con2_c)

```

which solved the problem for me!

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