# How to add multiple same rows in a array

**URL:** <https://discourse.julialang.org/t/how-to-add-multiple-same-rows-in-a-array/54695>\
**Category:** Data\
**Tags:** question\
**Created:** [February 5, 2021, 4:19pm UTC](https://discourse.julialang.org/t/how-to-add-multiple-same-rows-in-a-array/54695 "2021-02-05T16:19:36Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Shazman](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/shazman/32/23093_2.png) [@Shazman](https://discourse.julialang.org/u/Shazman)\
**Post date:** [February 5, 2021, 4:19pm UTC](https://discourse.julialang.org/t/how-to-add-multiple-same-rows-in-a-array/54695/1 "2021-02-05T16:19:36Z")

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Hi  
I have a array P (1x41227) and I want to add 27856 rows with same elements like P.  
how can I do it ?  
thanks

> 1×41227 Array{Float64,2}:  
> 0.0361328 -0.00634766 0.774414 0.620117 … 0.255859 0.491211 0.666992

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**Author:** ![pdeffebach](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/pdeffebach/32/10320_2.png) [@pdeffebach](https://discourse.julialang.org/u/pdeffebach)\
**Post date:** [February 5, 2021, 4:29pm UTC](https://discourse.julialang.org/t/how-to-add-multiple-same-rows-in-a-array/54695/2 "2021-02-05T16:29:09Z")

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You can do `repeat(P, 27856)`

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**Author:** ![stevengj](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevengj/32/71_2.png) [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Post date:** [February 5, 2021, 4:49pm UTC](https://discourse.julialang.org/t/how-to-add-multiple-same-rows-in-a-array/54695/3 "2021-02-05T16:49:45Z")

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> [@Shazman](#):
>
> I have a array P (1x41227) and I want to add 27856 rows with same elements like P.

You can use broadcasting, e.g.:

```julia
julia> A = rand(27856, 41227);

julia> P = rand(1, 41227);

julia> B = A .+ P # adds P to each row of A

```

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<div class="post-metadata">

**Author:** ![Shazman](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/shazman/32/23093_2.png) [@Shazman](https://discourse.julialang.org/u/Shazman)\
**Post date:** [February 5, 2021, 4:58pm UTC](https://discourse.julialang.org/t/how-to-add-multiple-same-rows-in-a-array/54695/4 "2021-02-05T16:58:27Z")

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thanks 🙂