creates a reflector from the provided vector and gamma . q = i - & gamma ; u ut in practice org.ejml.alg.dense.mult.vectorvectormult #householder double , org.ejml.data.d1matrix64f , org.ejml.data.d1matrix64f , org.ejml.data.d1matrix64f multhouseholder should be used for performance reasons since there is no need to calculate q explicitly . concode_field_sep PlaceHolder placeHolder concode_field_sep void subvector concode_elem_sep double elementSumSq concode_elem_sep double diffNormP1 concode_elem_sep DenseMatrix64F pivotMatrix concode_elem_sep DenseMatrix64F copyChangeRow concode_elem_sep double diffNormF concode_elem_sep double qualityTriangular concode_elem_sep double diffNormF_fast concode_elem_sep void addIdentity concode_elem_sep double diagProd concode_elem_sep DenseMatrix64F copyTriangle concode_elem_sep DenseMatrix64F[] splitIntoVectors