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Discrete points out of the local two-arc approximation


ziercurveyarcsplines. JournalofComputationalandAppliedMathematics, 1994,54 (1) :107-120 [5] Guan Yao Qi. Elliptical arc close to two-parts processing node in the value of seeking method. Machine Tool and Automatic Manufacturing Technique, 2003 (1) :59-63 [6] Lu Kin. A plane with a circular cubic parametric curve approximation algorithm. Xu Jianming Guangdong machine 4, such as: discrete points out of the local two-arc approximate 65 armed College, 1994, l2 (1) :37-42 Chen Jianlan, Li Sulan. The best dual space cubic curve arc approximation and error estimates. Zhejiang University of Technology, 2002,30 (4) :402-405ParkinsonDB,herve leger toronto, MoretonDN. Optimalbiarc-curvefitting. ComputerAidedDesign, 1991,23 (6) :411-419AlanYJ, KimHO,Salvatore Ferragamo outlet, LeeKY. GarcsplineapproximationofquadraticB ~ ziercurves. ComputerAidedDesign, 1998,30 (8) :615-620WaltonDJ, MeekD & ApproximationofquadraticBeziercurveyarcsplines. JournalofComputationalandAppliedMathematics, 1994,54 (1) :107-120 cast in the. Computer-aided geometric design and non-uniform rational B-spline. Beijing: Higher Education Press ,2001:76-77ApproximationofDiscretePointyBiarcCurveXUJian-ming,MBTシューズ 販売店, LIUFei one, HEYuan-jUn, CAIHong ~ ming. (1.DepartmentofComputerScienceandEinee blind, ShanghaiJiaotongUniversity, Shanghai, 200030; 2.ShanghaiHolmes-Chan ~ eCollege, Shanghai, 200432; 3.SoftwareInstitute, ShanghaiJiaotongUniversity, Shanghai,Beats By Dre Headphones, 200030) AbstractAnalgorithmofapproximationofdiscretepointy biarccurveispresented. Thealgorithmhasnospecialrequirementsforthediscrete points. Itfirstapproximatesthediscretepointycubicsplineand getsthefirstderivativeofthegivendiscretepoints, thenapproximatesthecubicsplinebybiarccurve. Throughlocalapproximation, thealgorithmisapplicabletobothlargedeflectionsplin eandsmalldeflectionones. Itovercomesthedisadvantageoftraditionalbiarcspline whichareonlyapplicabletosmalldeflectionspline. Thealgorithmisstableandrobust. TheacquiredbiarccurveisgloballvsmoothandC1continuo us. Keywords: biarecurve, approximation,tods shoes outlet, spline
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