查询词典 coefficient matrix

Furthermore, the sufficient conditions for convergence were given when the coefficient matrix A is a Hermite positive definite matrix or Mmatrix respectively.

给出了系数矩阵分别为Hermite正定矩阵和协矩阵时算法收敛的充分条件。

The coefficient matrix of the equations is a kind of positive matrix .

这种方程组的系数矩阵是正定矩阵，可用平方根法求解。

If the step of the linear system question is not very high, direct solving method is better; if coefficient matrix of the linear system question is not regular and large-sparse matrix , direct solving method does not settle the storage question.

而在求解线性方程组的许多实际问题中，尤其在偏微分方程的差分方法与有限元方法求解问题之中，方程具有重要的特征，一是多为大型稀疏矩阵；二是满足一些条件如对称正定、对角占优等，这使迭代法得到广泛的应用。

The reluctivity matrix is obtained by using the trigonometric function transformation and the form of coefficient matrix is simplified.

该方法利用递推公式进行三角函数的积化和差运算求取谐波平衡有限元算法中的磁阻矩阵，简化了方程组系数矩阵的形成。

Divide the whole region D into finite units and corresponding link points may be obtained. Constructing the equation of variation calculation about every element leads to the finite number of equations. Further more, algebra equation group for general synthesis are gained by adding these finite number of equations, that is,{T}={P} where is the coefficient matrix of the equation group, or say the temperature rigidity matrix,{T} is the row vector of unknown temperature and {P} is the row vector of the terms on the right side of the equation.

然后将整体区域D划分成有限个单元并得到相应的有限个节点，从而可以得到关于每个单元的变分计算方程，将这有限个方程相加就得到了总体合成的代数方程组，即{T}={P}，其中为方程组的系数矩阵，也称温度刚度矩阵，{T}为未知温度值的列向量，{P}为等式右端项组成的列向量。

As a kind of high-rise structure , tower building is sensitive to wind load; TMD can increase the security and reliability of structure observably with simple mechanism; in power spectrum analysis matrix formula, coefficient matrix can be extended for MTMD optimize analysis, complementarity with time domain method.

标志塔属典型高耸结构，对风荷载作用敏感；TMD机械构造简单，可以显著提高结构安全性和可靠性；谱分析矩阵表达中，将系数矩阵、增广矩阵进一步扩充，可同时进行多TMD参数优化，效率较高，与时程分析互为补充验证。

This paper is mainly the dynamic input-output model that the time lag is one, which is base on the above models. After studying, we consider stochastic factor step by step in it, namely when consumption coefficient matrix is stochastic (when investment matrix is stochastic, it is almost same. So we dont research it), and they are both stochastic, then we research the stable increase solution. We utilize the means of the modern stochastic analysis and Markov process, that the stochastic dynamic input-output model don not exist the stable solution is proved. Namely, economic system must is adjusted constantly. The probability that the collapse time of the economic system is o is one.

本文对在上述基础上构造的一类时滞为1的动态投入产出模型，进行了深入研究，将随机因素逐步考虑进去，即对投入产出消耗系数矩阵为随机的情况(投资系数矩阵为随机的情况与投入产出消耗系数矩阵为随机的情况大致相同，这里就不再证明)，以及二者同时为随机矩阵时所得到的动态投入产出模型的稳定增长解问题，利用现代概率分析及马氏过程的工具，证明了不存在随机动态投入产出模型的稳定增长解；即投入产出模型反映的经济系统必须经常进行调整，其崩溃时间为无穷大的概率为零。

To obtain the RCS of dipole-array antennas, the system of electric field integral equations is turned into a linear algebra system whose coefficient matrix is a symmetric block Toeplitz complex matrix by using Calerkin method with pulse basis functions.

为计算线天线阵列的雷达散射截面，用脉冲函数为基函数的Galerkin法将线天线阵列的电场积分方程组转化为一个线性方程组，其系数矩阵是一个对称的二重复Toeplitz矩阵。

The aseismic control for pile-foundation bridges considering soil-structure-interaction was studied. There are two problems were solved:(1) The coefficient matrix is singularity because the elements of rotational degree in mass matrix equal to zero due to the flexiblity of the pier.(2) The iteration of control gain was not convergent because the dumped mass of the beam is very large comparing with that of the pier.

为将Smith[162]方法用于桥梁结构，本文解决了如下两个问题：(1)以弯曲变形为主的桥梁结构，其质量矩阵中相应于转动自由度的元素数值为零，由此导致等效固基模型中的系数矩阵奇异；(2)桥梁结构堆聚到顶部节点的梁体质量很大，由于质量分布不均匀导致控制增益的迭代计算不收敛。

Because coefficient matrix of power system is anisomerous real number matrix,adopting QR Arithmetric for a small-scale or middle-scale power system is a great feature of my project.

由于电力系统的系数矩阵为不对称实矩阵，对中小规模的电力系统采用求特征值和特征向量比较好的 QR 算法是本方案的一大特点。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新