查询词典 convex polyhedron

In order to solvepiecewise algebraic varieties, we propose a new method to compute an algebraic varietyon a convex polyhedron by adding hyperplanes with the method of Groebner bases. Thus,the algebraic variety on the convex polyhedron is transformed to the positive solutionsof a system of polynomials. Besides, the minimal decomposition is also obtained.

通过添加超平面技巧将Groebner基方法应用到凸多面体内任意维代数簇的计算上，从而把凸多面体内的代数簇转化为另外一组多项式方程组的正解，并且得到了该代数簇在凸多面体内的极小分解。

The processes of 3D buffer creation for point, line, face and convex polyhedron are introduced in detail in the paper.

详细论述了点，线，面和凸体的三维缓冲区生成过程。

A dynamic real-time collision detection algorithm facing to the convex polyhedron in virtual environment is presented, which is based on the incremental algorithm.

在Lin-Canny算法的基础上，提出一种虚拟环境下面向凸体的动态、实时碰撞检测方法。

A convex polyhedron has 20 vertices and each of its faces is a pentagon.

一个凸多面体的每个面都是五边形。若它有20个顶点，它有多少条边？

The assembly objects were described with convex polyhedron. Geometric features of the assembly objects were analyzed.

以凸多面体为装配对象，分析装配操作过程中装配对象的几何特性。

It can be solved in O(n 2) time for single convex polyhedron obstacle (here n is the total number of vertices of polyhedron).

文章主要研究了k＝ 2情形下的最短路问题，提出一个在O（n2）时间内解决该问题的算法。

Based on previous study,the authors deduced the three-dimensional relationship between micro-contact force and the macro-stress on convex polyhedron.

在前人研究的基础上，针对凸多面体相互接触的性质，推导了三维状态下的微观接触力和宏观应力的关系，并应用于结构性土的研究中。

And they satisfy thetopological geometry of the convex polyhedron framework. The calculated results showthat they are preferable in energy.

它们满足凸多面体骨架拓扑几何条件，并通过计算得知：这些构型分子在能量上是有利的。

According to the viewpoint of combination tope, any convex polyhedron can be composed of some simplexes, and both convex polyhedron and simplex are important concepts of programming theory, so it's necessary to find their volumes in some calculations.

由组合拓扑学可知，任意凸多面体均为若干个单纯形的某种组合，两者均为规划论中最重要的基本概念之一，因而在一些计算中对其求积是不可少的。

To increase the running speed of the collision detection algorithm, a new approach is proposed, which uses convex Bounding Volume Hierarchies to express convex polyhedron. Thus the distance problem of two convex polyhedrons is come down to a nonlinear programming problem with constraints. The nonlinear programming problem can be solved by simulated annealing genetic algorithm.

为了提高碰撞检测算法的速度，提出用顶点的凸包表示凸多面体，将两个凸多面体间距离的问题归结为一个带约束条件的非线性规划问题，利用模拟退火遗传算法对该问题进行求解。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。