2) de Boor algorithm
de Boor算法
1.
Since NURBS has its own particularities,a NURBS curve feedrate model was constructed based on de Boor algorithm.
以de Boor算法为基础对整个插补周期的弓高误差以及切向和法向加速度进行实时监控,分析了误差产生的原因并进行了相应的速度控制;以插补前直线加减速为例引入NURBS反向插补的概念,解决了NURBS曲线减速区长度计算问题。
2.
As its application in CNC real-time interpolation of B-spline curves,to calculate k degree B-spline curve and its derivatives,the proposed algorithm can achieve much higher computing efficiency compares with de Boor algorithm.
该算法用于数控实时插补中的B样条曲线求值求导运算时,可获得比de Boor算法更高的计算效率。
3) differential evolutionary algorithm
DE算法
1.
This paper proposes a method based on the differential evolutionary algorithm to solve the problem of choosing parameters of Support Vector Machine(SVM).
针对支持向量机参数难以选择的问题,提出了基于差分进化算法(DE)的参数选择方法,算例分析结果表明DE算法选择SVM参数有着迭代次数少、结果稳定的优点,能够很好的解决SVM的参数选择问题。
4) De Casteljau algorithm
De Casteljau算法
1.
A subdivision scheme for Bézier curves based on de Casteljau algorithm;
基于de Casteljau算法的Bézier曲线细分
2.
Based on the de Casteljau algorithm for triangular patches,also using some existing identities and elementary inequalities,this paper presents two kinds of new magnitude upper bounds on the lower derivatives of rational triangular Bézier surfaces.
基于Bézier三角曲面的de Casteljau算法,同时运用一些恒等式和基本不等式,给出了两类有理Bézier三角曲面片低阶导矢的上界。
5) de casteljan arithemetic
de casteljan算法
6) improved algorithm
改进算法
1.
An improved algorithm of elliptic interpolation;
一种椭圆插补的改进算法
2.
An improved algorithm to calculate correlated colour temperature;
相关色温计算的一种改进算法
3.
An improved algorithm of space resection based on pyramid principle;
基于角锥体原理的空间后方交会改进算法
补充资料：改进
改变旧有情况，使有所进步：～工作ㄧ操作方法有待～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条