# Combinations

**URL:** <https://discourse.julialang.org/t/combinations/10026>\
**Category:** General Usage\
**Created:** [March 28, 2018, 7:18am UTC](https://discourse.julialang.org/t/combinations/10026 "2018-03-28T07:18:05Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Samudra](https://avatars.discourse-cdn.com/v4/letter/s/13edae/32.png) [@Samudra](https://discourse.julialang.org/u/Samudra)\
**Post date:** [March 28, 2018, 7:18am UTC](https://discourse.julialang.org/t/combinations/10026/1 "2018-03-28T07:18:05Z")

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Hi,

Is there a simple way to get all the combinations of a an array for a selected elements?

Thanks

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**Author:** ![baggepinnen](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/baggepinnen/32/693_2.png) [@baggepinnen](https://discourse.julialang.org/u/baggepinnen)\
**Post date:** [March 28, 2018, 7:25am UTC](https://discourse.julialang.org/t/combinations/10026/2 "2018-03-28T07:25:52Z")

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IterTools.jl has a lot of tools for this, e.g.,  
[https://juliacollections.github.io/IterTools.jl/stable/#subsets(xs,-[k])-1](https://juliacollections.github.io/IterTools.jl/stable/#subsets(xs,-%5Bk%5D)-1)

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**Author:** ![Samudra](https://avatars.discourse-cdn.com/v4/letter/s/13edae/32.png) [@Samudra](https://discourse.julialang.org/u/Samudra)\
**Post date:** [March 28, 2018, 7:38am UTC](https://discourse.julialang.org/t/combinations/10026/3 "2018-03-28T07:38:41Z")

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yeah it serves the purpose well,  
thanks a lot!!