插值函数

Three formulations, which are two-, four-, six-order of accuracy, are obtained by using linear, quadratic and cubic Lagrangian interpolation functions.

给出了使用线性、二次和三次插值函数构造的积分格式，它们的精度依次为二阶、四阶和六阶。

For vector-valued rational interpolating function that we have constructed,we can reduce its number of times by choosing parameters.

对所构造的向量值有理插值函数，还可以通过选择参数降低其分母的次数。

At the same time, the author studies the jump of the second derivative at the knots.The paper is arranged as follows.

同时，本文对插值函数的二阶导数在节点处的跳跃问题也进行了深入地分析。

In the fitting of the actual operation, using Matlab graphics software and the use of least squares spline interpolation function is more convenient and have good results in the means.

在拟合曲线的实际操作中，借助Matlab绘图软件使用最小二乘法和三次样条插值函数是较为方便且有良好效果的手段。

Generation of stream surface and interpolation function of vector field, the volume rendering of vector field based on 3D texture mapping.

矢量场基于质量守恒的流面、插值函数的构造及基于纹理的体绘制。3。

If we can use suitable method to calculate the derivative at nodes, a new piecewise cubic hermit interpolation function can be proposed, which has C^1 continuity and monotonicity preserving in the subinterval.

如果能够用适当的方法来计算出节点处的导数，则可以构造一种新的分段三次Hermit插值函数，它具有C^1连续性并在子区间保持单调。

Z2Bn z$e0A0 Meshless method is a new numerical computation method that is developed rapidly in recent years. Without element mesh and based on the dispersed nodes to form approximate interpolative function dynamically, meshless method has distinct difference with traditional finite element method. Meshless method conquers the problems caused by mesh generation, mesh aberration and mesh move. With provides a new effective means to engineering problem, meshless method obtain highly recognition in international compute mechanics domain and engineering field.

6L！y6K1Q6h0k0 无网格方法是近年来迅速发展起来的一类新型数值计算方法，它们不借助单元网格而是基于离散结点动态构造近似插值函数，与传统的有限元方法有着显著的区别，克服了网格生成、网格畸变和网格移动引起的问题并为工程问题提供了一种新的有效分析方法，受到了国际计算力学界和工程界的高度重视。

In chapter 5, we shall consider biorthogonal multiwavelets systems with multiplicity 2r associated with Hermite interpolation refinable functions.

在第五章，主要研究对应于Hermite插值函数的2r重双正交多小波系统。

From the results, the streamlines from the mass conservative function is better than from the traditional method.

从实验结果来看，基于质量守恒插值函数所构造的流线的结果相比传统的方法效果要好得多。

The linear boundary element method make boundary element into linear segment from linear interpolating function.

线性边界元法是在常数边界元法的基础上，从线性插值函数出发将边界单元按线性分布来进行处理的一种数值方法。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐