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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (HAMA-156) Add SparseMatrix/Vector classes
Date Tue, 24 Feb 2009 06:22:01 GMT

     [ https://issues.apache.org/jira/browse/HAMA-156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon reopened HAMA-156:
---------------------------------


Oh, there is a bug.

During scan the matrix A, we can miss some rows since it's a sparse. We don't save ZEROs as
describe below.

0: (1, 0.4), (8, 0.42), ...
2: (1, 0.44), (2, 0.55), ..
3: (4, 0.34), (6, 0.15), ..

We should seperate them using range.

> Add SparseMatrix/Vector classes
> -------------------------------
>
>                 Key: HAMA-156
>                 URL: https://issues.apache.org/jira/browse/HAMA-156
>             Project: Hama
>          Issue Type: Sub-task
>          Components: implementation
>    Affects Versions: 0.1.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.1.0
>
>         Attachments: HAMA-156.patch
>
>


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