This paper given discribes a convex persevering fitting method. Given a sequence of points {pi}in=0 on a plane,a c'-quadratic (C2 -cubic) convex persevering parametric spline interpolation curve with Bezier curve seqment is constructed Also is discussed its applications on CAD/CAM,for example,figure fitting of convex wheel.
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方逵,钱正在. CAD/CAM 中的两种曲线保凸拟合[J].国防科技大学学报,1988,10(3):93-99 ,115. Fang Kui, Qian Zhengzai. The Method of Convex Persevering Fitting of Curves for CAD/CAM[J]. Journal of National University of Defense Technology,1988,10(3):93-99 ,115.