查询词典 modular matrix

To solve this problem,the equivalence relation of rough set theory is replaced by an asymmetrical similar relation,and from this relation,an asymmetrical similar matrix is defined,then a new heuristic algorithm with less space complexity that require core and knowledge reduction based on asymmetrical similar matrix is proposed,and an example is given to confirm the validity of the algorithm.

用非对称相似关系代替粗糙集理论中的等价关系，定义了非对称相似差别矩阵，提出了基于非对称相似差别矩阵的高效求核和知识约简算法。该算法无需改变初始不完备信息系统的结构，能直接处理缺省数据。实验结果表明，新算法所获得的决策规则简洁、高效，与缺省值无关。

Results The equivalent matrix equation is derived by the matrix transformation method.The parameter iterative algorithm and the sufficient and necessary conditions for the convergence are given.

结果基于矩阵变换方法导出了矩阵方程的等价形式，并构造出参数迭代格式，得到了格式收敛的充要条件。

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。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48