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From "Matthias Boehm (JIRA)" <>
Subject [jira] [Created] (SYSTEMML-2214) Extraction of triangular matrices
Date Tue, 27 Mar 2018 04:08:00 GMT
Matthias Boehm created SYSTEMML-2214:

             Summary: Extraction of triangular matrices
                 Key: SYSTEMML-2214
             Project: SystemML
          Issue Type: Task
            Reporter: Matthias Boehm

This task aims to support the following R base functions
lower.tri(x, diag = FALSE)
upper.tri(x, diag = FALSE)
which return a boolean matrix by default, extended by an argument to optionally return the

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