# Sumproduct function in Julia

**URL:** https://discourse.julialang.org/t/sumproduct-function-in-julia/46053
**Category:** New to Julia
**Created:** [September 4, 2020, 12:08pm UTC](https://discourse.julialang.org/t/sumproduct-function-in-julia/46053 "2020-09-04T12:08:31Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![johnmyleswhite](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/johnmyleswhite/32/31_2.png) [@johnmyleswhite](https://discourse.julialang.org/u/johnmyleswhite)
#### Post date: [September 4, 2020, 12:22pm UTC](https://discourse.julialang.org/t/sumproduct-function-in-julia/46053/4 "2020-09-04T12:22:53Z")

</div>

Any reason not to do:

```julia
cumsum(vec_1 .* vec_2)

```

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