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Jerome commented on SPARK-8514: ------------------------------- I am currently working through an issue with the permutation matrix that I discovered. I am also preparing some more timings, unit tests, and documentation. I hope to have a pull request ready in the next few days. Best, J > LU factorization on BlockMatrix > ------------------------------- > > Key: SPARK-8514 > URL: https://issues.apache.org/jira/browse/SPARK-8514 > Project: Spark > Issue Type: New Feature > Components: MLlib > Reporter: Xiangrui Meng > Labels: advanced > Attachments: BlockMatrixSolver.pdf, BlockPartitionMethods.py, > BlockPartitionMethods.scala, LUBlockDecompositionBasic.pdf, testScript.scala > > > LU is the most common method to solve a general linear system or inverse a > general matrix. A distributed version could in implemented block-wise with > pipelining. A reference implementation is provided in ScaLAPACK: > http://netlib.org/scalapack/slug/node178.html -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org