get the main diagonal elements of the matrix b of the transform . note that since this class is only intended for internal use , it returns directly a reference to its internal arrays , not a copy . concode_field_sep double[] secondary concode_elem_sep RealMatrix cachedU concode_elem_sep RealMatrix cachedB concode_elem_sep RealMatrix cachedV concode_elem_sep double householderVectors[][] concode_elem_sep double[] main concode_field_sep RealMatrix getV concode_elem_sep void transformToLowerBiDiagonal concode_elem_sep void transformToUpperBiDiagonal concode_elem_sep double[][] getHouseholderVectorsRef concode_elem_sep RealMatrix getB concode_elem_sep double[] getSecondaryDiagonalRef concode_elem_sep boolean isUpperBiDiagonal concode_elem_sep RealMatrix getU
double [ ] function ( ) { return main ; }