Function resize

include/Eigen/Eigen/src/SparseCore/SparseVector.h:249–253

Resizes the sparse vector to \a rows x \a cols * * This method is provided for compatibility with matrices. * For a column vector, \a cols must be equal to 1. * For a row vector, \a rows must be equal to 1. * * \sa resize(Index) */

      * \sa resize(Index)
      */
    void resize(Index rows, Index cols)
    {
      eigen_assert((IsColVector ? cols : rows)==1 && "Outer dimension must equal 1");
      resize(IsColVector ? rows : cols);
    }

    /** Resizes the sparse vector to \a newSize
      * This method deletes all entries, thus leaving an empty sparse vector