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Posted to commits@hama.apache.org by Apache Wiki <wi...@apache.org> on 2009/12/02 09:00:26 UTC

[Hama Wiki] Trivial Update of "MatrixMultiply" by udanax

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The "MatrixMultiply" page has been changed by udanax.
The comment on this change is: removing old data.
http://wiki.apache.org/hama/MatrixMultiply?action=diff&rev1=12&rev2=13

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- == Abstract definition of matrix multiplication ==
- 
- In the following tables, matrix [[http://wiki.apache.org/hama-data/attachments/MatrixMultiply/attachments/matrix_a.gif]] represents the quantities of the materials P and Q to produce products M and N. Matrix [[http://wiki.apache.org/hama-data/attachments/MatrixMultiply/attachments/matrix_b.gif]] represents the prices of the materials P and Q of the suppliers C1 and C2.
- 
- In this case, the first row of the second column of AB, aq + bs, represents the total cost of the producing product A.
- 
- ||<bgcolor="#ececec"> Product\Resource ||<bgcolor="#ececec">{{{       }}} P {{{       }}}||<bgcolor="#ececec">{{{       }}} Q {{{       }}}||
- ||<bgcolor="#ececec">{{{       }}} M {{{          }}}||{{{       }}} a {{{       }}}||{{{       }}} b {{{       }}}||
- ||<bgcolor="#ececec">{{{       }}} N {{{          }}}||{{{       }}} c {{{       }}}||{{{       }}} d {{{       }}}||
- 
- ||<bgcolor="#ececec"> Resource\Company ||<bgcolor="#ececec">{{{       }}} C1 {{{      }}}||<bgcolor="#ececec">{{{       }}} C2 {{{      }}}||
- ||<bgcolor="#ececec">{{{       }}} P {{{       }}}||{{{       }}} p {{{       }}}||{{{       }}} q {{{       }}}||
- ||<bgcolor="#ececec">{{{       }}} Q {{{       }}}||{{{       }}} r {{{       }}}||{{{       }}} s {{{       }}}||
- 
   * See how to [[MatMult| multiply matrices]] using Map/Reduce