讨论了多维数据2D图表示的统一数学描述问题。多维数据的2D图表示可分为单点表示和多点表示。这两种表示的数学描述通式,一般是在直角坐标系下的点或者矢量表达式。在建立多维数据集合和二维平面定序图形基元集合间映射关系的基础上,证明了该表示是唯一的。
In this paper, the unified representation problem of multivariate data in 2D plane is discussed. The 2D graphical repres- entation of multivariate data includes single point representation and multiple points representation. The unified mathematical description of these two ways usually uses the Cartesian coordinates or polar coordinates formulas. On the basis of constructing the mapping relationship between the multivariate data set and the ordered plane graphical primitives set, the uniqueness of the representation is proved.