摘要
改进了有理Ｂéｚｉｅｒ三角曲面片及方向导数的表示式，并给出求点及一阶方向导数的快速算法。
The representations of rational Bézier triangles and their directional derivatives are improved, and a fast algorithm for points and degree one directional derivatives is given, which is faster than de Casteljau Algorithm and is stable
出处
《纯粹数学与应用数学》
CSCD
1996年第2期104-106,共3页
Pure and Applied Mathematics
基金
陕西省教委重点科研项目资助
