GitHub user daniel-pape opened a pull request:

    https://github.com/apache/flink/pull/1078

    FLINK-1737: Kronecker product

    This is preparational work related to FLINK-1737: Adds an implementation of 
outer/Kronecker product which can subsequently be used to compute the sample 
covariance matrix.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/daniel-pape/flink FLINK-0

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/1078.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1078
    
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commit 627a0e9776a3c39e985b30b508521e4869309767
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-18T18:29:06Z

    Work in progress: Test cases and implementation for outer product of 
vectors.

commit 277771aee8d0e3aeea1b027bb70c71c5ea1aa66b
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-21T12:50:26Z

    Implementation of outer product for sparse vectors.

commit 0e9a608feb305ef254d896e9f39f58f98e236dba
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-21T12:51:40Z

    Test cases for outer product computation. For dense as well as sparse 
vectors, More tests are to come.

commit d0eb80102ae4856236fce0b98c4e396183d86f3f
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-21T19:38:05Z

    Added test case.

commit 97dd4f050e7d3abf7c419d904913979406abac05
Author: Daniel Pape <dgp...@web.de>
Date:   2015-08-30T20:11:53Z

    Added method documentation for outer product methods.

commit 4dde9f86b300cd7c64c7f62feb11984267f45913
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-18T18:29:06Z

    Work in progress: Test cases and implementation for outer product of 
vectors.

commit 9ea41fc721bb6983cd91ca102342ef31c4cd0732
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-21T12:50:26Z

    Implementation of outer product for sparse vectors.

commit b021b1f4d6a31626cf5b1cfac7c9dbf025ff00a1
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-21T12:51:40Z

    Test cases for outer product computation. For dense as well as sparse 
vectors, More tests are to come.

commit f70f5e0be5851d98cbbb4d0572abfb8294af3b0f
Author: daniel-pape <dgp...@web.de>
Date:   2015-08-21T19:38:05Z

    Added test case.

commit 503e4c04416c436da31f9340448420198b495d7b
Author: Daniel Pape <dgp...@web.de>
Date:   2015-08-30T20:11:53Z

    Added method documentation for outer product methods.

commit 31b25266924e89412cafa13f8801d8eff9fcb84c
Author: Daniel Pape <dgp...@web.de>
Date:   2015-08-30T20:18:56Z

    Merge branch 'FLINK-0' of https://www.github.com/daniel-pape/flink into 
FLINK-0

commit 9f337f3d117d025e26578a96fafde2cdd7b2df72
Author: Daniel Pape <dgp...@web.de>
Date:   2015-08-30T20:46:11Z

    Removed marker comments from test suites and also add the missing test to 
SparseVector suite
    that correspond to the one from the suite for DenseVector.

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