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https://issues.apache.org/jira/browse/SPARK-5486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng resolved SPARK-5486.
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Resolution: Fixed
Fix Version/s: 1.3.0
Issue resolved by pull request 4279
[https://github.com/apache/spark/pull/4279]
> Add validate function for BlockMatrix
> -------------------------------------
>
> Key: SPARK-5486
> URL: https://issues.apache.org/jira/browse/SPARK-5486
> Project: Spark
> Issue Type: New Feature
> Components: MLlib
> Reporter: Burak Yavuz
> Fix For: 1.3.0
>
>
> BlockMatrix needs a validate method to make debugging easy for users.
> It will be an expensive method to perform, but it would be useful for users
> to know why `multiply` or `add` didn't work properly.
> Things to validate:
> - MatrixBlocks that are not on the edges should have the dimensions
> `rowsPerBlock` and `colsPerBlock`.
> - There should be at most one block for each index
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