摘要
本文依据画法几何学的空间分析方法和作图原理,利用解析手段推导出一个求两异面直线公垂线垂足位置的坐标公式,计算方法简单,只要解出三阶行列式即可.同时根据此行列式编制了计算及图解的计算机程序。
In this paper,according to the space analysis method and making graph principle of descriptive geormetry,a formula for finding the foot of common perperdicular of lines on two different planes has been given by means of ana- lytical methods.The calculation method is simple,one needs only to solve a- determinant of 3 order by it. According to the determinant,a program for calculation and graph is also presented at same time.
关键词
异面直线
公垂线
垂足
Lines on different planes
Foot of perpendicular
Computer program
