returns the matrix q of the transform . q is an orthogonal matrix , i.e. its transpose is also its inverse . concode_field_sep double[] secondary concode_elem_sep RealMatrix cachedT concode_elem_sep double householderVectors[][] concode_elem_sep double[] main concode_elem_sep RealMatrix cachedQt concode_elem_sep RealMatrix cachedQ concode_field_sep RealMatrix getQT concode_elem_sep void transform concode_elem_sep double[][] getHouseholderVectorsRef concode_elem_sep double[] getMainDiagonalRef concode_elem_sep double[] getSecondaryDiagonalRef concode_elem_sep RealMatrix getT
RealMatrix function ( ) { if ( cachedQ == null ) { cachedQ = getQT ( ) . transpose ( ) ; } return cachedQ ; }