| Mat* Impala::Core::Matrix::MatKeepSpecificRows | ( | Mat * | data, | |
| std::vector< int > & | keepers | |||
| ) |
Definition at line 16 of file MatKeepSpecificRows.h.
References MatE(), and MatNrCol().
Referenced by KmeansClustering(), and MatDrawRandomRows().
00017 { 00018 // we have the indices; now copy vectors 00019 int d = MatNrCol(data); 00020 Mat* res = MatCreate<Mat>(keepers.size(), d); 00021 for(int j = 0; j < keepers.size(); j++) 00022 { 00023 int k = keepers[j]; 00024 for(int i = 0; i < d; i++) 00025 *MatE(res, j, i) = *MatE(data, k, i); 00026 } 00027 return res; 00028 }
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