Ask HN: Do you use an optimization solver? Which one? Do you like it?

Re:Ask HN: Do you use an optimization solver? Which one? Do ... by freemint on Wednesday April 20, 2022 @01:20PM (#31100120)

I use JuMP as modeling language. For MILP i am usually using Gurobi or SCIP. For ILP problems have have been looking in to the exact solver https://gitlab.com/JoD/exact which seems quiet promising.

For NLP i usually go with either https://worhp.de/ or just IpOpt.

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Re:Ask HN: Do you use an optimization solver? Which one? Do ... by ryan-nextmv on Wednesday April 20, 2022 @01:36PM (#31100317)

<3 SCIP. About a dozen years ago I used to write the python-zibopt library (now defunct and rendered moot by the far superior PySCIPOpt).

Hadn't heard of JoD - that looks really interesting. What are your experiences so far?

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Re:Ask HN: Do you use an optimization solver? Which one? Do ... by freemint on Wednesday April 20, 2022 @02:45PM (#31101204)

JoD is Jakob Nordström. He gave a talk on the predecessor of Exact here: https://www.youtube.com/watch?v=yvXy7Nzn-IA

My experience so far: Quiet good at finding feasible solutions when constraints are complex. Really young code with a lot of potential. Not that good at finding optimas.

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