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IP.ZIP
- 圆与圆交点，线与线交点，圆与线交点，全部在excel上实现，很不错,the intersect between circle to circle, line to line, and circle to line, all implemented in excel
IntersectionPointOfTwoLines
- 该代码绝对本人原创，可根据两打直线的四个端点坐标求解交点，并判断交点为实交点或虚交点，若两直线重合或平行，则返回值为FALSE: 以下代码为求交点的函数，使用方法： rtn=InterPointTwoLine(直线A起点X，直线A起点Y，直线A终点X，直线A终点Y， 直线B起点X，直线B起点Y，直线B终点X，直线B终点Y， 返回的交点X，返回的交点Y，交点类型) 有交点时该函数返回值为True,平行或重合时返回False 最后一个参数(Inter_Type)是
intersect
- 高效的三角形和三角形的相交性检测，判断他们是否共面，碰撞区间的使用。-Efficient triangle and triangle intersection detection, to determine whether they are coplanar, the collision zone use.
convex
- gram法求凸包， 凸包是区域内任意两点的直线不与边界相交的简单闭区域。 gram算法能够高效地求解出凸包的点集-gram Method convex hull, convex hull is a straight line between any two points within the region do not intersect with the boundary simple closed area. gram algorithm can efficiently solve
a4
- Write a program that reads as its inputs four pairs of (x, y) coordinates of the endpoints of two line segments P1P2 and P3P4. Your program should decide whether the two line segments have a common point. For this problem you may use matlab in order