277   typedef Matrix<Scalar,Dynamic,1> DenseVector;  typedef
289     DenseVector b = DenseVector::Random(size);
293     DenseVector dc = dB.col(0);
307       b = DenseVector::Zero(size);
325           DenseVector b = it.rhs();
326           DenseVector refX = it.refX();
406   typedef Matrix<Scalar,Dynamic,1> DenseVector;  typedef
416     DenseVector b = DenseVector::Random(size);
423     DenseVector dc = dB.col(0);
432       b = DenseVector::Zero(size);
456         DenseVector b = it.rhs();
457         DenseVector refX = it.refX();
538   typedef Matrix<Scalar,Dynamic,1> DenseVector;  in check_sparse_leastsquare_solving()  typedef
548     DenseVector b = DenseVector::Random(A.rows());  in check_sparse_leastsquare_solving()
561       b = DenseVector::Zero(A.rows());  in check_sparse_leastsquare_solving()