This surface is a piecewise bi-cubic rational parametric polynomial surface.
构造的曲面是分片双三次有理参数多项式曲面。
Rapidly generating parametric polynomial surface was discussed, a fast algorithm of generating parametric polynomial surface was given which is based on integer addition and subtraction.
讨论了参数多项式曲面的快速生成。给出了用整数加减法逐点生成参数多项式曲面的快速算法。
The paper emphasizes on the methods of polynomial surface approximation which is part of numerical approximations, and analyzes the precision of polynomial function model through the measured data.
着重介绍了数值逼近方法中的多项式曲面函数模型逼近法，并通过实测数据对多项式函数模型的精度进行分析。
To enhance the triangle quality of the simplified mesh, a novel triangular mesh simplification algorithm based on local polynomial fitting surface of vertices was proposed.
为了提高网格简化后的三角形质量，提出了一种新的基于顶点局部多项式曲面拟合的三角网格简化算法。
This result can be combined with subdivision method to obtain a piecewise interval polynomial approximation for a rational surface.
这一结果可以与细分技术相结合，得到有理曲面的分片区间多项式的逼近。
The main research content is as follows:(1) Reduced collocation response surface model (RCRSM) is constructed using polynomial chaos expansion (PCE) with points of monomial cubature rule (MCR).
主要研究内容如下：（1）基于单项式容积法和混沌多项式展开，构造了简约配点响应面模型。
The whole process can be divided into two steps: First, the method of surface fitting with discrete orthogonal polynomial is applied to detection of edge position.
整个处理过程分为两步：第一，采用离散正交多项式曲面拟合技术探测边缘位置；第二，运用松弛标定网突出有意义的边缘结构和压缩噪声边缘。
The sag of the surface can be spherical, conic, aspheric, or defined by a polynomial or other parametric function.
表面的下弯(sag)可以是球面、圆锥面(conic)、非球面(aspheric)或借由多项式或其他函定义。
Then the response surface method(RSM) is utilized to establish the response surfaces or curve of SEA vs. material parameters and the curves of relative error in high-order polynomial fitting.
采用响应面法建立了表示比吸能随材料参数而变化的曲面，和高次多项式拟合时的相对误差曲线。
Then the response surface method(RSM) is utilized to establish the response surfaces or curve of SEA vs. material parameters and the curves of relative error in high-order polynomial fitting.
采用响应面法建立了表示比吸能随材料参数而变化的曲面，和高次多项式拟合时的相对误差曲线。
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