系数矩阵

The algorithm is the combination of the method with global convergence and thatwith locally superlinear convergence.

其特点之一是该方法在每步迭代中只需要计算一个或三个具有相同系数矩阵的线性方程组。

According to GBEM,a fullysymmetric Galerkin multi-zone boundary element methodisproposed in this paper.Based on regarding the coefficient matrix as thesum of a symmetric part and a non-symmetric one,this problem is solvedby adopting a proper assembly.Following this treatment,GBEM will beextended for a wide scope.

针对这一问题，(1)本文在单域伽辽金边界元的基础上，采用先生成各子域的方程，将系数矩阵表达为对称部分与非对称部分之和，通过恰当的集成方式，消除非对称部分的方法，提出了一种完全对称的伽辽金边界元子域法，拓宽了伽辽金边界元法的使用范围。

Second-order field and circuit coupled calculation formula and software are developed where the symmetrization of coefficient matrix is realized.

包括， a。将叠层元技术引入到瞬变电磁场的分析中，并提出了二阶叠层元场路耦合仿真计算格式及软件，在该格式中实现了系数矩阵的对称化。

The model was developed using the single factor analytic approach and correlation coefficient analytic approach considering phosphate removal as dependent variable and plasma phosphate concentrations,dialysis time,ultrafiltrate volumes,blood flows as predictor variables.

先用相关系数矩阵和单因素分析法进行数据的初步分析，然后用多重线性回归分析的方法推出总磷清除量与透前血磷浓度、超滤量、血流速、时间的公式。

Several calculation formulations have been established, which possess the advantages of that ①any of the final formulations is a linear algebraical equation system with respect to parameters of nodal displacement and velocity;②much higher accuracy can be obtained than the direct integration methods of dynamic analysis;③arbitrary number of time elements can be chosen when the space—time model is applied; and ④calculating procedures are quite simple since several time—coefficient matrices are introduced to the formulations.

当采用时间—空间有限元模型时，对时间单元的数目没有任何限制；(4)由于引入了时间系数矩阵，使计算过程大大简化，并且可引用已有的各种单元分析成果，具有很强的通用性。

The fast wavelet transforms algorithm based on FFT and the Atrous algorithm has high computational efficiency, is easy to be realized with hardware and to extract features, and the size of the wavelet coefficient matrix is the same to that of the original image.

基于FFT和多孔算法的小波快速变换算法，具有计算效率高、易于硬件实现，并且计算后的小波系数矩阵大小和原图像一样，易于提取特征。

A method based on linear singularity analysis of image is presented. The improved method, called Directional Beamlet Transform is better than traditional Beamlet transform about directional information of image and has the ability of representing linear-singularity of image. According to the analysis of linear singularity, edge detection is transferred to detecting singularity point in the coefficient matrix of DBT.

针对基于图像像素点分析的边缘提取方法存在无法同时满足高抑噪性、连续性、定位性等问题，本文提出了方向Beamle 变换方法，在定义图像线奇异性的理论基础上，利用DBT 对图像进行线奇异性分析，依据Beamlet 变换具有的线段提取能力，将图像边缘检测问题转化为方向Beamlet 变换系数矩阵中奇异点的检测问题，以降低噪声点对边缘检测结果的影响。

Giving the more explicit boundary conditions and using Biconjugate gradients stabilized method to solve the linear algebra equation with large coefficient matrix, we get a fast algorithm of highprecision to calculate effectively electrical and magnetic fields in the whole space.

由于提出了简洁的边界条件，采用了解大型系数矩阵方程组的双共轭梯度稳定解法，所实现的三维交错采样有限差分数值模拟算法具有迭代收敛稳定、计算精度高、速度快等特点。

Theinfluence coefficient matrix is employed to eliminate the residual divergence caused bytime splitting method.

利用影响系数矩阵进行散度修正，在流向和展向采用3/2-规则消除混淆误差。

The time varying and incommutable character of the coefficient matrix of periodically time varying linear systems are the bottleneck of the design for high precision direct integration methods .

周期时变线性系统系数矩阵的时变性与不可交换性是其精细积分算法设计中的瓶颈。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。