With the effective parallel computation algorithm, the simulation of complex inviscid flow is finally achieved more efficiently and quickly 进一步配合流场有效的并行计算算法,最终可实现高效、快捷地模拟复杂流场。
A fast computation algorithm is put forward for the exact determination of the specified step controllable region of constrained discrete-time lti system, which st 基于凸多面体集合的几何特性,给出了离散时间有约束线性时不变系统有限步可控域的一种快速精确算法;3
The results of numerical experiments, the statistics of speedup ratio and parallel efficiency all show the success of parallel unstructured grid generation method and parallel computation algorithm 数值试验的结果以及并行计算的加速比、效率的统计,进一步验证了网格并行生成方法以及并行计算算法的有效性。
The paper chooses the alternate iterate algorithm after made a compare with all kinds of power flow computation algorithms . the results of the two examples indicate that the platform is efficient and accurate 文中对各种配电网潮流计算方法进行了比较分析,选用了性能较好的交替迭代算法进行了潮流计算,计算结果表明,本软件平台是高效的、正确的。
At the same time, three region segmentation algorithms also are introduced, i . e . global-based segmentation algorithm, tree-based region find in rle map image, and statistic-based region feature computation algorithm 同时在目标区域合并(分割)阶段,提出了基于全局扫描的分割算法、行程编码图中基于树的区域查找算法和基于统计的区域特征量计算方法。
Based on anatomical shape of every tissue in human leg, this paper finishes the segmentation and fill of preprocessed ct images, then adopts the high accuracy, low computation algorithm-- marching cubes for 3d reconstruction of bones and skin 根据腿部各组织的解剖学形态,对预处理后的ct图像进行分割和填充,并采用精确度高、运算量小的marchingcubes三维重建算法实现腿部骨骼及皮肤组织的形态学三维重建。
Thirdly, we study an efficient parallel routing table computation algorithm, we describe xipeng's parallel routing table computation algorithm with formal method, and improve the dividing algorithm of area . the automatic finding and maintenance can be completed in the division 对xipeng提出的并行路由表计算方法进行了形式化的描述,对其发现和维护warr算法进行了改进,实现了路由表计算过程中自动发现及维护warr的功能。
Thirdly, we study an efficient parallel routing table computation algorithm, we describe xipeng's parallel routing table computation algorithm with formal method, and improve the dividing algorithm of area . the automatic finding and maintenance can be completed in the division 对xipeng提出的并行路由表计算方法进行了形式化的描述,对其发现和维护warr算法进行了改进,实现了路由表计算过程中自动发现及维护warr的功能。
For online learning of a rule-based knowledge system, strategies of rule updating in rough set information system and matrix computation algorithms for dynamic modification of rules are given . 4 based on definitions of nonlinear system methodology, rough set based state space model is proposed 4、从非线性系统分析方法出发,构造了基于粗糙集决策规则的非线性算子方程和粗糙状态空间,分析了粗糙状态空间模型的一致性和完备性,给出了对不一致和不完备的粗糙状态空间模型进行补充的方法。