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