查询词典 infinite matrix

Aroused my interest in one another across the curriculum and called Environmental Impact Analysis, in the course, we as a team as a unit matrix and flow chart set up, the logging industry to discuss the economic and environmental impact, as well as the protection of ancient forests.

激起我兴趣的另外一门跨学科课程叫做环境影响分析，在这门课中，我们以小组为单位建立了矩阵和流程图，去讨论伐木业的经济和环境影响以及古老森林的保护。

Secondly, viewing from the weakness in the conventional TPS descriptions and the configuration paths of the switch modules, a uniform matrix expression is used to present the logic relations of the multiple channels' connection modes in order to make TPS design more flexible. By this way, a new TPS design method is discussed so as to revise the test plans, adjust the channel configurations online, and improve the later exploration capacity of TPS.

其次，从分析以往测试程序集TPS在测试方案描述中的局限入手，在对各种通道开关模块的电气特性及配置路径进行归纳的基础上，设计了多开关模型的数学表达方法，将各类通道开关的连接方式纳入统一的逻辑表述范畴，以便于TPS软件的灵活设计；基于此，提出了一种适合测试人员根据测试需求修改测试方案，调整通道配置的方法，提高了TPS的二次开发能力。

For better radar emitter recognition,a study is carried out in this paper on the attribute reduction algorithm,which is based on discernibility matrix and logical operation in Rough Sets.

为准确解决辐射源识别问题，研究了粗糙集中基于可辨识矩阵和逻辑运算的属性约简算法，对决策表进行约简，减少了属性个数；并建立了一种基于粗糙集数据处理的雷达辐射源识别模型。

The longed-for vessel can be interpreted as the traditional symbol of matrix or womb, the lullaby of femininity, just as another conventional symbol "pearl mussel" implies.

她所渴望的容器自然可以根据传统理解为母体或者子宫、女性特质的摇篮，正如另一个传统象征"母贝"所暗示的一样。

The paper summerizes several general pratical new techniques, such as the analyzers of program profiles, maximum potential parallelism, array privatizability, loop parallelism; the visualizers of the statement data dependence graph, procedural callgraph, loop iteration space graph and interactive tools of array privatization and unimodular transformation; the automatic techniques of array privatization combined data dependence and coverage, the computation of parallelizing unimodular transforming matrix for mult-nested loops, enhanced unimodular transformation with array reduction recognition, non-loop level parallelism revealing technique, dynamic dataflow analysis and optimization of cross-loop local cache reuses, etc.

本文从而概括了若干具有一般性的实用新技术，如：程序计算量分析、最大潜在并行性分析、数组私有化分析、循环并行性分析等动态程序分析技术；语句数据相关图、过程调用图、循环迭代空间相关图、交互数组私有化、交互幺模变换等可视化语义交互分析变换技术等等；总结了若干自动并行化新技术，如：结合相关和覆盖的数组私有化方法、对多层嵌套循环计算幺模并行化变换矩阵的循环幺模变换方法、结合数组规约识别增强幺模变换的技术、发掘非循环级并行性的技术、动态数据流分析技术、优化利用循环间Cache数据局部性的技术等等。

In chapter 4, a novel construction method for LDPC codes with fast encoding is proposed. An approximate lower triangular check matrix is constructed by modified PEGP method.

第四章提出了快速编码LDPC码的构造方法，直接构造具有近似下三角校验矩阵的LDPC码。

To the discrete-time systems, we introduce a new discrete-time norm, the algorithm given is not depend upon the initial data. For a class of uncertain discrete-time systems, we also adopt the method of iterative learning control, we convert the problem of learning control into a global stability of trivial solution for lower triangular matrix dynamic systems, and obtain the result of tracking to desired state of the system.

对于一般非线性离散系统，引进了离散的范数，所给的算法不依赖于学习控制算法中的初始数据，对于一类不确定离散系统的状态跟踪问题，我们也采用迭代学习控制的方法，将相应的学习控制问题转化为一个下三角动力系统的平凡解全局稳定性问题，获得了对系统理想状态的跟踪结果，并对所给的算法的收敛性进行了分析。

In Chapter 4, a symmetric triangular partitioned secant method for solving large scale sparse unconstrained optimization problems is constructed, which is a combination of a secant method and a finite difference method, and depends on a consistent partition of the columns of the lower triangular part of the Hessian matrix; it reduces the number of gradient evaluations required by Powell and Toints algorithm (the indirect lower triangular substitution algorithm) by one at every iterative step.

此算法是基于稀疏Hesse阵的下三角部分的列的相容分划的基础上建立起来的，把割线法和有限差分法有机的结合在了一起，在每次迭代中，把由Powell和Toint的算法所需要的梯度赋值次数减少了一。

Both LDPC codes and OFDM technology are studied in this paper. The working and the results obtained are summarized as follow:1. The definition of LDPC codes and its coding/decoding ideas are systematically summarized, a general algorithm of changing any parity-check matrix to lower triangular form, which is suitable for quick encoding, is given out, along with a girth checking algorithm. Absolutely random LDPC codes construction is improved, a new half random construction of LDPC codes with linear time coding and no 4-cycles is brought out.

系统地阐述了低密度校验码的定义及编译码原理，提出了一种将任何校验矩阵变换成适于快速编码的近似下三角形式的通用算法及一种围长检测算法，对完全随机的校验矩阵构造法进行了改进，提出了一类消除4环且可近似线性编码的校验矩阵半随机构造法，仿真表明，在高编码效率情况下，改进后的半随机构造法，其性能稍优于完全随机构造法，并可以线性时间编码，因此更适合实际应用。

To easily form preconditional curvilinear paths within the trust region subproblem, we employ the stable Bunch-Parlett factorization method of symmetric matrices and use the unit lower triangular matrix as a preconditioner of the optimal path and modified gradient path.

使用对称矩阵的稳定Bunch-Parlett易于形成信赖域子问题的弧线路径，使用单位下三角矩阵作为最优路径和修正梯度路径的预条件因子。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。