查询词典 triangular matrix

Solving algorithm of minimum schema matrix relatived to equivalent representation of functional dependency based on schema matrix is discussed.

进而讨论了与函数依赖集等价表示相关的最小模式矩阵求解算法。

In the respect of pseudo dynamic test, the author explained the influencing factors of initial inputting stiffness matrix and the equivalent method of mass matrix of model.

在拟动力试验方面，指出了联机试验中初始刚度矩阵的影响因素，建立了模型质量矩阵的等效方法。

Element stiffness matrix and equivalent load matrix of structures with varying sections are derived by employing the principle of virtual work.

接着，本文利用虚功原理推导了变截面结构的单元刚度矩阵和等效荷载列阵。

UP to now two algorithms for computing a local optimum of the optimal fuzzy equivalent matrix of a fuzzy similarity matrix and some heuristic methods have been introduced.

求与一个模糊相似矩阵"距离"最近的模糊等价矩阵，至今已提出了两个求局部最优解的算法和一些启发式算法，本文也提出一个简便可行的求局部最优解的算法，这算法与线性规划的单纯形算法一样，也是在有限个"顶点"上寻优。

Based on the classic composites laminates theory,the stiffness matrix and the equivalent damping matrix of the laminates which can be described by elastic constants and damping constants were determined.

根据经典层板理论分别推导出了显含弹性常数和显含阻尼系数的纤维增强复合材料层板的刚度矩阵和等效阻尼矩阵。

The error equation of the observer is transformed into state matrix according to the characteristics of the system. The parameters of the observer are designed using the eigenvalues of the matrix, and this idea is used to prove the stability of the system.

通过系统特性把观测器系统误差方程转换为状态矩阵方程的形式，根据矩阵特征值的特点设计观测器参数，并把这一思想用到观测器控制器系统的稳定性证明中。

With the experimental data, operation time of contour extraction of binary image represented by rectangle NAM is 0.31 to 0.86 times of that of image represented by matrix, operation time of Euler number computing of binary rectangle NAM image is 0.11 to 0.63 times of that of the pattern algorithm, operation time of connected component labeling of binary image represented by rectangle NAM is 0.08 to 0.37 times of that of image represented by matrix, 0.05 to 0.12 times of that of image represented by quadtree.

实验数据表明，采用矩形NAM表示的二值图像轮廓提取算法的执行时间是矩阵表示的0.31至0.86；矩形NAM表示的欧拉数计算执行时间是模板算法的0.11至0.63；矩形NAM表示的连通区域标记算法执行时间是矩阵表示的0.08至0.37，四元树表示的0.05至0.12。

The state of fracture matrix is studied. Toughness of pre-alloyed powder matrix is higher and evener than mechanics-mixed.

从断口上分析了胎体的断裂情况，预合金粉胎体为韧性断裂，而混合粉胎体为韧-脆断口。

The matrix differential equation is solved using method of steps and applying Laplace transform. Using this method and exact solution of the matrix differential equation with delayed arguments was....

待流场达稳态后，於注水井筛段注入追踪剂并在抽水井筛段量测浓度穿透曲线，使用适当数学模式分析其浓度穿透曲线及上、下井筛段泄降差，即可同时。。。。

With simplified assumption made for the modal trial mass ratio and the linear response characteristic of the holobalancing technique, the transfer matrix corresponding to a certain correction plane then is extended to the trial set transfer matrix, which is related to a certain order of modal trial mass set. The number of trial runs necessary for the balancing operation is reduced and the balancing efficiency is improved.

借鉴Darlow混合法中模态试重组的思想，通过对模态试重比的简化假设，利用迁移矩阵的线性可叠加性将对应于某单一平衡面的迁移矩阵扩展为对应于某阶模态试重组的迁移矩阵，从而减少了平衡高阶不平衡量所需的试重起车次数，提高了现场平衡效率，且平衡效果良好。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。