# Broadcast for Array of Array

**URL:** <https://discourse.julialang.org/t/broadcast-for-array-of-array/29604>\
**Category:** New to Julia\
**Tags:** broadcast, arrays\
**Created:** [October 7, 2019, 4:25pm UTC](https://discourse.julialang.org/t/broadcast-for-array-of-array/29604 "2019-10-07T16:25:23Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Mason](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mason/32/2423_2.png) [@Mason](https://discourse.julialang.org/u/Mason)\
**Post date:** [October 7, 2019, 4:59pm UTC](https://discourse.julialang.org/t/broadcast-for-array-of-array/29604/5 "2019-10-07T16:59:38Z")

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I think it’s kinda ironic that 3 hours ago the OP posted this thread: [Sigmoid function in Julia - #4 by hasanOryx](https://discourse.julialang.org/t/sigmoid-function-in-julia/29594/4) where he was told “don’t define elementwise functions on arrays, just use broadcast.” But now when he runs into a nested array it becomes clear that the broadcast machinery isn’t general enough to do what he wants.

I guess I just don’t understand why recursive broadcast is always dismissed out of hand.

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