# Find the last index that corresponds to a given condition

**URL:** https://discourse.julialang.org/t/find-the-last-index-that-corresponds-to-a-given-condition/99942
**Category:** General Usage
**Created:** [June 6, 2023, 1:56pm UTC](https://discourse.julialang.org/t/find-the-last-index-that-corresponds-to-a-given-condition/99942 "2023-06-06T13:56:34Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![RDuarte](https://avatars.discourse-cdn.com/v4/letter/r/a183cd/32.png) [@RDuarte](https://discourse.julialang.org/u/RDuarte)
#### Post date: [June 6, 2023, 1:56pm UTC](https://discourse.julialang.org/t/find-the-last-index-that-corresponds-to-a-given-condition/99942/1 "2023-06-06T13:56:34Z")

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Hello  
How can I find the last index that corresponds to a given condition?  
For example, in matlab i would do:  
find(f) \<= 1000,1,‘last’)  
Is there any correspondent function in julia?  
Thanks in advance

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<div class="post-metadata">

### Author: ![mikmoore](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mikmoore/32/31109_2.png) [@mikmoore](https://discourse.julialang.org/u/mikmoore)
#### Post date: [June 6, 2023, 1:58pm UTC](https://discourse.julialang.org/t/find-the-last-index-that-corresponds-to-a-given-condition/99942/2 "2023-06-06T13:58:41Z")

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```julia
findlast(<=(1000), f)

```

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<div class="post-metadata">

### Author: ![RDuarte](https://avatars.discourse-cdn.com/v4/letter/r/a183cd/32.png) [@RDuarte](https://discourse.julialang.org/u/RDuarte)
#### Post date: [June 6, 2023, 2:16pm UTC](https://discourse.julialang.org/t/find-the-last-index-that-corresponds-to-a-given-condition/99942/3 "2023-06-06T14:16:17Z")

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Hello @mikmoore  
Thank you