查询词典 squares

More and more people have been attracted in this research field. Theoretically, a least squares problem in matrix form can be rewritten in vector form by Kronecker product.

如在众多领域中拥有广泛应用的Sylvester方程，Lvapunov方程和带各种约束的"逆特征值问题"及其最小二乘问题等。

In chapter 3 we further analyze the Moore-Penrose inverse of Kronecker product of A and B and the linear least squares problems involving Kronecker product, then obtain normwise mixed and componentwise condition numbers and the upper bounds similarly.

在第三章中我们进一步在列满秩情形下，对A与的Kronecker积的Moore-Penrose逆和带Kronecker积的线性最小二乘问题做了分析，同样得出了范数型，混合型和分量型这三种条件数及其上界。

To overcome the shortages of the traditional least squares algorithms that require error follow zero mean valued and homo-skedastcity normal distribution, a L(subscript ∞) identification method is presented.

针对传统的最小二乘辨识算法要求误差遵循零均值、同方差的正态分布等不足，提出了L参数辨识算法。

Romberg first use of the method is integral for integration, Then the results obtained by using the interpolation method were obtained Lagrange polynomial interpolation polynomial interpolation and Newton, re-use of least squares fitting of thinking obtained polynomial, the last of these different types of polynomial, identify their respective strengths and weaknesses.

首先运用Romberg积分方法对给出定积分进行积分，然后对得到的结果用插值方法，分别求出Lagrange插值多项式和Newton插值多项式，再运用最小二乘法的思想求出拟合多项式，最后对这些不同类型多项式进行比较，找出它们各自的优劣。

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。

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。