# How to swap index of a multi-dimensional array?

**URL:** <https://discourse.julialang.org/t/how-to-swap-index-of-a-multi-dimensional-array/10388>\
**Category:** General Usage\
**Tags:** array\
**Created:** [April 17, 2018, 1:39pm UTC](https://discourse.julialang.org/t/how-to-swap-index-of-a-multi-dimensional-array/10388 "2018-04-17T13:39:27Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Roger-luo](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/roger-luo/32/3399_2.png) [@Roger-luo](https://discourse.julialang.org/u/Roger-luo)\
**Post date:** [April 17, 2018, 1:39pm UTC](https://discourse.julialang.org/t/how-to-swap-index-of-a-multi-dimensional-array/10388/1 "2018-04-17T13:39:27Z")

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I have a multi-dimensional array with shape (2, 3, 4, 5, 6), how can I swap dimensions in Julia? I want to swap to (2, 4, 3, 5, 6).

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**Author:** ![Balinus](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/balinus/32/243_2.png) [@Balinus](https://discourse.julialang.org/u/Balinus)\
**Post date:** [April 17, 2018, 1:41pm UTC](https://discourse.julialang.org/t/how-to-swap-index-of-a-multi-dimensional-array/10388/2 "2018-04-17T13:41:03Z")

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That would be

`data = permutedims(data, [1, 3, 2, 4, 5])`

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<div class="post-metadata">

**Author:** ![Roger-luo](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/roger-luo/32/3399_2.png) [@Roger-luo](https://discourse.julialang.org/u/Roger-luo)\
**Post date:** [April 17, 2018, 1:41pm UTC](https://discourse.julialang.org/t/how-to-swap-index-of-a-multi-dimensional-array/10388/3 "2018-04-17T13:41:19Z")

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Oh, I see, thanks!