查询词典 least squares

Meanwhile,by analyzing the calculation results of NL Method,and using Least Squares Method or Lagrange's Interpolation Polynomial Curves to simulate the relationship between horizontal force and deformation of both Steel-pile Cluster and Rubber Fender separately,the energy allocation rate of Steel-pile Cluster and Rubber Fender can be determined.

采用NL法来计算桩身内力和变形，同时，对NL法计算出的多个结果进行分析，并采用最小二乘法或Lagrange插值多项式曲线分别模拟钢簇桩和橡胶护舷承受的水平力和相应的变形之间的关系来求解钢簇桩和橡胶护舷能量分配比例。

And the least squares approximation is used. Outcome by different methods is analyzed, which leads to significant conclusions.

对由不同计算得到的结果进行精度分析，得出有 GPS＄＆R4tangatFMM意义的结论。

In this paper, after introducing the meshless method simply, we derive the moving least squares approximation in detail.

本文首先阐述了无网格方法的一般理论，然后详细推导了移动最小二乘近似的构造过程。

The method of least squares approximation for non-circular curve is suggested.

提出了一种利用最小二乘圆弧逼近非圆曲线的方法。

Commonly used algorithm c language, including some classic example, least squares, interpolation and approximation, etc.!

详细说明：常用算法的c语言实现，包括一些经典的比如，最小二乘，插值与逼近等等！

Based on feature points extraction and total least squares approximation, a new method is presented for extracting and vectorizing Street blocks on topographic maps.

提出了特征点提取和总体最小二乘拟合相结合的新方法，对扫描地图上的居民地街区进行提取和矢量化。

Then the generalized moving least squares approximation is derived under adding the residual of high orders derivative.

从而，进一步导出了不仅要求近似函数还要求其任意阶导数在各节点处的误差的平方和最小的广义移动最小二乘近似。

And the solutions given in the paper is valuable for the execution of the surveying engineering. Furthermore, the least squares approximation is introduced as a calculating method, which is theoretically creative.

因此，本文对于工程测量的实施有借鉴作用；此外，从理论上来说，把最小二乘拟合数学模型引入问题的解算，有创新意义。

The numerical examples show that the modifying generalized moving least squares approximation has high accuracy not only for function value but also first or higher orders derivatives.

数值计算显示本文提供的方法关于函数值和各阶导数值都具有很高的精度。

In this paper, the least squares approximation method is introduced to predict the trend line of carrier movement. Then the yarn paths are analyzed systematically. Finally, the three kinds of unit cell, the interior cell, the surface cell and the corner cell, are established.

采用最小二乘法分段对携纱器的相关运动位置点进行拟合，得到编织过程中纱线的空间运动规律，在此基础上，获得的预制件结构的单胞模型，包含内部单胞，表面单胞和棱角单胞。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。