code: public Matrix getLT()
      {
          Matrix LT = new DenseMatrix(L.rows(), L.cols());
          
          for(int i = 0; i < L.rows(); i++)
              for(int j = i; j < L.rows(); j++)
                  LT.set(i, j, L.get(i, j));
          
          return LT;
      }
docs: The Cholesky Decomposition computes the factorization A = L L<sup>T</sup>. This method returns L<sup>T</sup>
  @return The upper triangular matrix L<sup>T</sup>