# Where does the cart-pole environment in the Julia official page come from?

**URL:** <https://discourse.julialang.org/t/where-does-the-cart-pole-environment-in-the-julia-official-page-come-from/99505>\
**Category:** General Usage\
**Tags:** question, package\
**Created:** [May 28, 2023, 7:45am UTC](https://discourse.julialang.org/t/where-does-the-cart-pole-environment-in-the-julia-official-page-come-from/99505 "2023-05-28T07:45:20Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![WuSiren](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/wusiren/32/42529_2.png) [@WuSiren](https://discourse.julialang.org/u/WuSiren)\
**Post date:** [May 28, 2023, 7:45am UTC](https://discourse.julialang.org/t/where-does-the-cart-pole-environment-in-the-julia-official-page-come-from/99505/1 "2023-05-28T07:45:21Z")

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What is the environment shown in the cart-pole illustration that appears on the machine learning tab of the [Julia website](https://julialang.org/#tab-math)? Which package does it come from? Are there any existing packages in Julia that can be used for conducting this experiment?  
 ![cartpole](https://global.discourse-cdn.com/julialang/original/3X/f/c/fc4ae5362f00571d28aa56b5a17b75d7ac5b05d9.gif)

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**Author:** ![xgdgsc](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/xgdgsc/32/608_2.png) [@xgdgsc](https://discourse.julialang.org/u/xgdgsc)\
**Post date:** [May 28, 2023, 8:46am UTC](https://discourse.julialang.org/t/where-does-the-cart-pole-environment-in-the-julia-official-page-come-from/99505/2 "2023-05-28T08:46:58Z")

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[https://juliareinforcementlearning.org/docs/rlenvs/#ReinforcementLearningEnvironments.CartPoleEnv-Tuple{}](https://juliareinforcementlearning.org/docs/rlenvs/#ReinforcementLearningEnvironments.CartPoleEnv-Tuple%7B%7D)