A method to construct a new type of degree of grey incidence

The analysis of grey incidence is to justify the relationship between sequences based on the similar degree of their geometrical figures. In grey systems theory, the approach is to construct the degree of grey incidence. It is an important part to be studied. Through the initial points and the slopes of curves, we construct a new type of degree of grey incidence and call it point-slop degree of grey incidence. It can reflect the importance of the initial point and the slopes, which are the determinative requisites for the curve. For the given conditions, the point-slop degree of grey incidence satisfies the four axioms of grey incidences.