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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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Task/Multiple-regression/J/multiple-regression-3.j Normal file
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mp=: +/ .* NB. matrix product
NB. %.X is matrix inverse of X
NB. |:X is transpose of X
(%.(|:X) mp X) mp (|:X) mp y
128.814 _143.163 61.9606