有理的

The process of converting the algebraic surface into the parametric surface is called parametrization , which has received much attention in recent years.

这种方法首先解决了基线扫描参数化方法中不能得到有理参数表达式的问题，给出了混合曲面的统一、低次的有理参数化。

In this article, we keep on doing this work and stress on the continued fraction vector valued rational interpolation in complex number field.

第二章 叙述向量有理插值的定义和基本概念，向量有理插值已有的构造方式和计算方法及其拓广和应用。

We also develope the corresponding rational composite Bezier curve with geometric continuous design facility.

本文还将这一方法推广到有理情形，提出了有理组合Bezier曲线的几何连续设计方法。

In this paper, based on the rational transfinite interpolation, a set of global approximation method namely rational macro-element method was proposed.

基于有理超限插值，提出了一种在求解域边界布点的全域求解数值方法－有理宏单元法。

In chapter 3, we discuss a novel parametric curve representation scheme on 1D manifold in-depth.

然后，本文分别对广义有理参数曲线和广义有理参数曲面进行了深入的研究。

Projective transformation between two rational quadratic Bzier curves is determined by pairs of corresponding control vertices and weights.

对于有理二次Bzier 曲线，两条有理二次Bzier 曲线间的射影变换由它们对应的控制顶点和权因子所确定。

In section one,a kind of rational quartic interpolation function with linear denominator is derived on the base of analysis about the question of rational spline .

第一部分对有理插值样条有关问题进行了分析，并在此基础上构造了一种带参数的分母为线性的四次有理插值样条。

A method to construct an interpolation curve of rational quadratic B-spline G continuity is given.

给出二次有理B样条G2连续拼接的条件，提出一种二次有理B样条G2连续插值曲线的构造方法。

In this paper, a decision method as well as the proof for existence of vector-valued rational interpolants are given, and the expression of the rational interpolants' numerator and denominator are given.

这里利用标量有理插值函数插值存在性的思想，引入Newton基函数，给出并证明了向量值有理插值存在性的一种判别方法。

The conversion problem between rational S-patches and rational triangular Bézier patches was investigated with the reparametrization method.

采用重新参数化方法研究有理S曲面片与有理三角Bézier曲面片之间的相互转换问题。

Objective: To study the effect of polycythemia on blood oxygen saturation.

裴蕾目的：观察RBC剧增而引起的高粘血症对血氧饱和度的影响。

Based on SIMPLER algorithm in the curvilinear body-fitted coordinates, the calculations were performed for Pr=0.7, Re=10~1000 on non-orthogonal non-staggered grids which are generated by elliptic equation systems.

采用曲线坐标系下压力与速度耦合的SIMPLER算法，数值研究了周期性渐扩渐缩波纹通道内脉动流动与换热情况，流动Re数的范围为10~1000，Pr数为0.7。