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» Real Parametrization of Algebraic Curves
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JCST
2008
90views more  JCST 2008»
13 years 5 months ago
Proper Reparametrization of Rational Ruled Surface
In this paper, we present a proper reparametrization algorithm for rational ruled surfaces. That is, for an improper rational parametrization of a ruled surface, we construct a pro...
Jia Li, Liyong Shen, Xiao-Shan Gao
CAGD
2004
141views more  CAGD 2004»
13 years 5 months ago
Almost rotation-minimizing rational parametrization of canal surfaces
Almost rotation minimizing parametrization of the canal surface is given. The basic building block of our approach is the curve approximation scheme that enables us to construct a...
Hyeong In Choi, Song-Hwa Kwon, Nam-Sook Wee
ISSAC
2001
Springer
129views Mathematics» more  ISSAC 2001»
13 years 9 months ago
Computation of the degree of rational maps between curves
The degree of a rational map measures how often the map covers the image variety. In particular, when the rational map is a parametrization, the degree measures how often the para...
J. Rafael Sendra, Franz Winkler
CAGD
2004
136views more  CAGD 2004»
13 years 5 months ago
Clifford algebra, Lorentzian geometry, and rational parametrization of canal surfaces
We present a new approach toward the rational parametrization of canal surfaces. According to our previous work, every canal surface with rational (respectively polynomial)spine c...
Hee Cheol Cho, Hyeong In Choi, Song-Hwa Kwon, Doo ...
ICCS
2003
Springer
13 years 10 months ago
SyNRAC: A Maple-Package for Solving Real Algebraic Constraints
: We present a maple-package SyNRAC for solving real algebraic constraints aiming to realize a robust parametric control toolbox on MATLAB. Our main tool is real quantifier elimin...
Hirokazu Anai, Hitoshi Yanami