%0 Journal Article
%T ON THE CONVEXITY OF A CUBIC B(?)ZIER CURVE<br>关于三次Bézier曲线的凸性
%A 华宣积
%J 计算数学
%D 1981
%I 
%X This paper is a supplement to 1]. The cubic Bezier curve is called convex if ithas neither inflection point, double point nor cusp. Necessary and sufficient conditionsfor the convexity of a cubic Bezier curve are obtained and the geometrical significancesof these conditions are added.
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=37F46C35E03B4B86&jid=CC77F3CEF526D9CF0B3021650FB4E57E&aid=EECEB7BA88E3121D3CD3A824E4503614&yid=AA64127AB7DEB65D&vid=38B194292C032A66&iid=E158A972A605785F&sid=389106FB36CA8332&eid=A7AE820C12CC9AD3&journal_id=0254-7791&journal_name=计算数学&referenced_num=2&reference_num=0