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https://issues.apache.org/jira/browse/MAHOUT-744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13055753#comment-13055753
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Hudson commented on MAHOUT-744:
-------------------------------
Integrated in Mahout-Quality #910 (See
[https://builds.apache.org/job/Mahout-Quality/910/])
MAHOUT-744 iterate over SparseMatrix rows sparse-ly in iterate()
srowen : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1140224
Files :
*
/mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/TestDistributedRowMatrix.java
* /mahout/trunk/math/src/main/java/org/apache/mahout/math/AbstractMatrix.java
* /mahout/trunk/math/src/main/java/org/apache/mahout/math/SparseMatrix.java
> SparseMatrix should iterate over rows sparsely
> ----------------------------------------------
>
> Key: MAHOUT-744
> URL: https://issues.apache.org/jira/browse/MAHOUT-744
> Project: Mahout
> Issue Type: Improvement
> Components: Math
> Affects Versions: 0.5
> Reporter: Sean Owen
> Assignee: Sean Owen
> Labels: matrix, row, sparse
> Fix For: 0.6
>
> Attachments: MAHOUT-744.patch
>
>
> iterate() ought to iterate over rows that exist only, not every row (that's
> the job of iterateAll()).
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