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Posted to jira@arrow.apache.org by "Andrew Lamb (Jira)" <ji...@apache.org> on 2021/04/26 12:45:01 UTC

[jira] [Closed] (ARROW-11115) [Rust] Implement dot-product in a compute kernel

     [ https://issues.apache.org/jira/browse/ARROW-11115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Lamb closed ARROW-11115.
-------------------------------
    Resolution: Invalid

> [Rust] Implement dot-product in a compute kernel
> ------------------------------------------------
>
>                 Key: ARROW-11115
>                 URL: https://issues.apache.org/jira/browse/ARROW-11115
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: Rust
>            Reporter: Erik De Smedt
>            Priority: Minor
>              Labels: compute, dotproduct, linalg
>
> An efficient implementation of the [dot-product|https://en.wikipedia.org/wiki/Dot_product] is useful for many machine-learning applications.
> I would propose to treat null as zero for the implementation. This behavior is sensible because it corresponds to dropping any observation where null-data is present. 



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