# How do retrieve all vectors as from an array of vectors

**URL:** https://discourse.julialang.org/t/how-do-retrieve-all-vectors-as-from-an-array-of-vectors/34288
**Category:** General Usage
**Created:** [February 7, 2020, 8:48am UTC](https://discourse.julialang.org/t/how-do-retrieve-all-vectors-as-from-an-array-of-vectors/34288 "2020-02-07T08:48:22Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![PyDataBlog](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/pydatablog/32/12327_2.png) [@PyDataBlog](https://discourse.julialang.org/u/PyDataBlog)
#### Post date: [February 7, 2020, 8:48am UTC](https://discourse.julialang.org/t/how-do-retrieve-all-vectors-as-from-an-array-of-vectors/34288/1 "2020-02-07T08:48:22Z")

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Hello everyone.

Basically, I have an array of vectors like this:

```julia
 a = [[5, 3, 2], [5, 3, 5], [8, 4, 6] ]

which looks like this:

3-element Array{Array{Int64,1},1}:
 [5, 3, 2]
 [5, 3, 5]
 [8, 4, 6]

```

I want to retrieve all the elements (vectors) such that it ends up looking like this:

```julia
b = [[5 3 2]; [5 3 5]; [8 4 6] ]

3×3 Array{Int64,2}:
 5 3 2
 5 3 5
 8 4 6

```

How can I achieve this? Thanks in advance.

---

<div class="post-metadata">

### Author: ![jonathanBieler](https://avatars.discourse-cdn.com/v4/letter/j/82dd89/32.png) [@jonathanBieler](https://discourse.julialang.org/u/jonathanBieler)
#### Post date: [February 7, 2020, 8:54am UTC](https://discourse.julialang.org/t/how-do-retrieve-all-vectors-as-from-an-array-of-vectors/34288/2 "2020-02-07T08:54:03Z")

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You can use vertical concatenation :

```
vcat(a'...) 
reduce(vcat, a')

```

Or horizontal and then transpose :

```
hcat(a...)' 

```

Or even a comprehension:

```
[a[i][j] for i=1:3, j=1:3]

```

---

<div class="post-metadata">

### Author: ![PyDataBlog](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/pydatablog/32/12327_2.png) [@PyDataBlog](https://discourse.julialang.org/u/PyDataBlog)
#### Post date: [February 7, 2020, 9:06am UTC](https://discourse.julialang.org/t/how-do-retrieve-all-vectors-as-from-an-array-of-vectors/34288/3 "2020-02-07T09:06:38Z")

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Perfect!
