# How to create array of arrays

**URL:** <https://discourse.julialang.org/t/how-to-create-array-of-arrays/58745>\
**Category:** New to Julia\
**Tags:** question\
**Created:** [April 7, 2021, 10:53am UTC](https://discourse.julialang.org/t/how-to-create-array-of-arrays/58745 "2021-04-07T10:53:02Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![heliosdrm](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/heliosdrm/32/3851_2.png) [@heliosdrm](https://discourse.julialang.org/u/heliosdrm)\
**Post date:** [April 7, 2021, 12:29pm UTC](https://discourse.julialang.org/t/how-to-create-array-of-arrays/58745/4 "2021-04-07T12:29:48Z")

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Recent related thread:

> [@Array assignment is alias and assignment semantics](https://discourse.julialang.org/t/array-assignment-is-alias-and-assignment-semantics/58735):
>
> Why? I started this post because I found that array assignment created an alias, leading to an unexpected problem. I wasn’t sure if this was a bug. But it’s now clear that it is the expected behavior. So my goals are to help others who may encounter this; to understand how assignment semantics work in general, and how to find out information on same; to take some probably ineffective shots at the documenation grinning. Behavior Apparently if aa is an Array and I set bb = aa then changin…

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