摘要
由两矢量间的角引入由一矢量到另一矢量的有向角,讨论了它的性质,给出了用有向角表示矢量的几个公式并由此得出求图形参数方程的方法。
When a directional angle is introduced into one vector and the other by a certain angle, which has been discussed, and several formulas are given, and the method of the graphic parametric equation is obtained.
出处
《安康师专学报》
2004年第1期83-84,共2页
Journal of Ankang Teachers College
关键词
矢量
有向角
参数方程
解析几何
the angle between two vectors
directional angle
parametric equation
