常用数据类型
Eigen::Matrix3f
:3x3方阵,数据类型:float
typedef Matrix<float, Dynamic, 2> MatrixX2f
, shape: (N, 2), dtype: float
https://eigen.tuxfamily.org/dox/group__TutorialMatrixClass.html
Matrix
模板类
Matrix<typename Scalar, int RowsAtCompileTime, int ColsAtCompileTime>
, <数据类型, 行数, 列数>