[jira] [Commented] (SYSTEMML-649) JMLC/MLContext support for scalar output variables

["Deron Eriksson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SYSTEMML-649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15409817#comment-15409817 ] 

Deron Eriksson commented on SYSTEMML-649:
-----------------------------------------

Scalars supported by new MLContext API (SYSTEMML-593). Fixed by [PR199|https://github.com/apache/incubator-systemml/pull/199].

> JMLC/MLContext support for scalar output variables
> --------------------------------------------------
>
>                 Key: SYSTEMML-649
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-649
>             Project: SystemML
>          Issue Type: Task
>          Components: APIs
>            Reporter: Matthias Boehm
>            Assignee: Deron Eriksson
>
> Right now neither JMLC nor MLContext supports scalar output variables. This task aims to extend both APIs with the required primitives.
> The workaround is to cast any output scalar on script-level with as.matrix to a 1-1 matrix and handle it in the calling application. However, especially with MLContext this puts an unnecessary burden on the user as he needs to deal with RDDs for a simple scalar too. 



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