Method cols

Eigen/src/SparseCore/SparseMatrixBase.h:173–173

\returns the number of columns. \sa rows() */

    inline Index rows() const { return derived().rows(); }
    /** \returns the number of columns. \sa rows() */
    inline Index cols() const { return derived().cols(); }
    /** \returns the number of coefficients, which is \a rows()*cols().
      * \sa rows(), cols(). */
    inline Index size() const { return rows() * cols(); }