Dmitriy Lyubimov created MAHOUT-1723:
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             Summary: Optional structural "flavor" abstraction for in-core 
matrices.
                 Key: MAHOUT-1723
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1723
             Project: Mahout
          Issue Type: Improvement
            Reporter: Dmitriy Lyubimov
            Assignee: Dmitriy Lyubimov
             Fix For: 0.10.2


This is structural abstraction (which is optional for a matrix but implemented 
for most we use) that allows to interrogate matrix operands whether they are 
dense or sparse, row or column-major or diagonal etc. without coding to a 
concrete matrix implementation class.

this allows to build structure-optimized iterations. 




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