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From "Matthias Boehm (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (SYSTEMML-2214) Extraction of triangular matrices
Date Wed, 28 Mar 2018 03:02:00 GMT

     [ https://issues.apache.org/jira/browse/SYSTEMML-2214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Matthias Boehm closed SYSTEMML-2214.
------------------------------------
       Resolution: Fixed
         Assignee: Matthias Boehm
    Fix Version/s: SystemML 1.2

> Extraction of triangular matrices
> ---------------------------------
>
>                 Key: SYSTEMML-2214
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-2214
>             Project: SystemML
>          Issue Type: Task
>            Reporter: Matthias Boehm
>            Assignee: Matthias Boehm
>            Priority: Major
>             Fix For: SystemML 1.2
>
>
> This task aims to support the following R base functions
> {code}
> lower.tri(x, diag = FALSE)
> upper.tri(x, diag = FALSE)
> {code}
> which return a boolean matrix by default, extended by an argument to optionally return
the values.



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