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From "Samuel Guo (JIRA)" <j...@apache.org>
Subject [jira] Created: (HAMA-153) Need some condition-check before matrix algebra
Date Wed, 18 Feb 2009 02:27:01 GMT
Need some condition-check before matrix algebra
-----------------------------------------------

                 Key: HAMA-153
                 URL: https://issues.apache.org/jira/browse/HAMA-153
             Project: Hama
          Issue Type: Bug
          Components: implementation
            Reporter: Samuel Guo
            Priority: Minor


some conditions will be checked before we construct the result matrix and compose the matrix
algebra map/reduce job.
for examples,
A + B, we need check that A.rows = B.rows & A.columns = B.columns
A * B, we need check that A.columns = B.rows.

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