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https://issues.apache.org/jira/browse/MAHOUT-1696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14511938#comment-14511938
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ASF GitHub Bot commented on MAHOUT-1696:
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GitHub user andrewpalumbo opened a pull request:
https://github.com/apache/mahout/pull/124
MAHOUT-1696: QRDecomposition.solve(...) can return incorrect Matrix types
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andrewpalumbo/mahout qrFix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/mahout/pull/124.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 #124
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commit 69a1e134c3a46bbbff08c9f68c057737fee364d3
Author: Andrew Palumbo <[email protected]>
Date: 2015-04-24T22:38:06Z
Store a small matrix
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> QRDecomposition.solve(...) can return incorrect Matrix types
> ------------------------------------------------------------
>
> Key: MAHOUT-1696
> URL: https://issues.apache.org/jira/browse/MAHOUT-1696
> Project: Mahout
> Issue Type: Bug
> Components: Math
> Affects Versions: 0.10.0
> Reporter: Andrew Palumbo
> Assignee: Andrew Palumbo
> Fix For: 0.10.1, 0.11.0
>
>
> in QRDecomposition.java, QRDecomposition(Matrix A).solve(Matrix B) is
> returning a Matrix of type B when it should be returning a matrix of type A.
> This can lead to Sparse Matrices which should be Dense and vice versa.
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