Method matrix

Eigen/src/Core/ArrayBase.h:148–148

      * \sa MatrixBase::array() */
    EIGEN_DEVICE_FUNC
    MatrixWrapper<Derived> matrix() { return MatrixWrapper<Derived>(derived()); }
    EIGEN_DEVICE_FUNC
    const MatrixWrapper<const Derived> matrix() const { return MatrixWrapper<const Derived>(derived()); }