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https://issues.apache.org/jira/browse/SPARK-6364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14366720#comment-14366720
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Apache Spark commented on SPARK-6364:
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User 'MechCoder' has created a pull request for this issue:
https://github.com/apache/spark/pull/5081
> hashCode and equals for Matrices
> --------------------------------
>
> Key: SPARK-6364
> URL: https://issues.apache.org/jira/browse/SPARK-6364
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.4.0
> Reporter: Xiangrui Meng
> Assignee: Manoj Kumar
>
> hashCode implementation should be similar to Vector's. But we may want to
> reduce the complexity by scanning only a few nonzeros instead of all.
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