查询词典 eigenvalue

Inverse eigenvalue problem; Constrained matrix equation problem; Procrustes problem; Matrix norm; Optimal approximation solution

矩阵逆特征值问题；约束矩阵方程问题； Procrustes问题；矩阵范数；最佳逼近解

The method does not need to derive the concrete form of the transformation matrix, which make it simple and easy to calculate the results to the eigenvalue problems of the Hamiltonian with symmetrical form.

由于该方法不需要求出变换矩阵的具体形式，使得运用此方法求解具有对称形式的Hamiltonian的本征值问题变得简单、易计算出结果，该方法更具有普遍性，是一种十分有效的代数方法。

The contribution of the truncated modes to eigenvector sensitivity is expressed in a Neumann series of matrix in this method, and eigenvalue's displacement is introduced to control the convergence of the series.

该方法是用Neumann矩阵级数的形式来等效未知模态对特征向量灵敏度的贡献，并引入特征值移位量来控制矩阵级数的收敛性，从而明显地提高了计算效率。

Correspondence analysis ; degenerate matrix ; measure unit ; data standardization ; eigenvalue

对应分析；退化矩阵；量纲；数据标准化；特征值

In this new model, the fuzzy-Markov theory is applied to analyze and predict the state transition of the uncertain factor in SPA model. By this way, the precision can obtained a significant improvement. Based on the correlation coefficient and mean square deviation of eigenvalue, two verify methods for fuzzy-Markov fitting in multidimensional space are suggested.

针对fuzzy-Markov子系统，分别提出了基于相关系数和特征值方差的多维空间模糊马尔可夫链拟合效果检验的两个新方法，并据此定量考察fuzzy-Markov子系统对参数响应的敏感性，用以确定最佳的模型参数组合。

The records of 56 stations in Himalaya area were analyzed by using the method of minimizing the eigenvalue. Shear wave splitting was observed in thirty-nine stations of them.

利用最小特征值法，分析了喜马拉雅地区56个台站的地震记录，其中有39个台站能观察到S波分裂，其平均分裂时间在0.8s左右。

For this purpose, the minimum modulus eigenvalue of power flow Jacobian matrix of AC/DC power system is researched; by means of the sensitivity index of nodal voltage to reactive power variation and combining with participating factor, the bus or region where the voltage instability could happen most possibly are judged to provide decision-making foundation for the configuration of reactive power compensation device in power system.

该方法研究了交直流系统潮流方程雅可比矩阵的最小模特征值，以节点电压对无功功率变化的灵敏度为指标，结合参与因子，判断全电网中最有可能发生电压不稳定的节点或者区域，从而为系统无功功率补偿装置的配置提供决策依据。

The authors research the algorithm for power system static voltage stability. Taking the modulus minimum eigenvalue of power flow Jacobian matrix as the criteria to weigh the weakness of power system, the active power injected into nodes equivalent is substituted by equivalent conductance to ground as well as the reactive power injected into nodes is substituted by equivalent susceptance to ground.

研究了电力系统静态电压稳定性算法，以潮流雅可比矩阵最小模特征值的大小作为衡量电网薄弱程度的标准，以等效对地电导代替节点注入有功功率，以等效对地电纳来代替节点注入无功功率。

Based on the equation eigenvalue,the stability of the straddle-type monorail car has been studied.

根据动力学方程的特征根分析了跨坐式独轨车辆转向架的运动稳定性。

The closed-form natural mode satisfies the governing equation of the eigenvalue problem of thin plate exactly and is applicable for any types of boundary conditions.

该模态函数精确满足特征值控制微分方程，并适用于任何边界条件。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。