形如z=ax^3+bx^2y+cxy^2+dy^3+ex^2+fxy+gy^2+hx+iy+j这样的多项式曲面,最高次数为3就是三次曲面
啊,三次曲面(cubic surfaces)!你用无数个三面九线(threes and nines),七及二十线(seven-and-twenty lines),围绕他圣殿--所罗门的封印(the Seal of Sol...
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氏双三次曲面 Coons bicubic surface
双三次曲面 Bicubic patch
对角线三次曲面 diagonal cubic surface
双三次曲面片 fragment of double cubical curved surface
平面三次曲线 [数] plane cubic curve
双三次COONS曲面 Bi-cubic Coons Surface
双三次自由曲面 double thrice free SUrface
一般三维二次曲面方程 general 3 d quadric surface equation
通过弗格森双三次曲面为研究模型来建立最佳的拟合参数。
At last, through establishing optimal fitting parameters, it is shaped the model of Ferguson bicubic curved surface to surface fitting.
本文通过严密的数学推导,给出了可适用于任意三次曲面的快速拟合算法。
This paper, through tight mathematics inferring, gives thrice curved surface 'fast fit algorithm which is suited to arbitrarily thrice curved surface.
给出了NURBS三次与二次基函数系数矩阵表示和NURBS三次曲面矩阵块表示。
The coefficient matrixes of cubic and square NURBS base functions and the expression of block matrixes of cubic NURBS surface are given.
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