定义域

dìnɡ yì yù
  • domain of definition;domain
定义域定义域
  1. 本文提出一种用CRT显示一元列表函数图象时,根据被显示函数的定义域和值域,计算机自动进行坐标刻度的划分和标值的算法,给出了程序框图和说明。

    A method for automatically dividing and marking scale interval for coordinated axes according to domain of definition and domain of function when graphing functions on CRT is suggested .

  2. 研究定义域为R1上有界函数的n阶导数零点存在性问题及一般结论。

    We have studied the existence of zero point of n-th order derivative of bounded functions whose domain of definition is ( R ) ~ 1 . Besides , we have given some general conclusion .

  3. Sharp极大算子定义域的一个特征

    A Characterization of Domain for the Sharp Maximal Operator

  4. 直线运动时间变量的取值范围&对速度函数v(t)与时间变量t的定义域分析一文的补充

    The Range of Time Variable of Line Movement

  5. Eclipse项目中包含有定义域的文件。

    The files that define the domain are contained in an Eclipse project .

  6. 本文指出函数f(n)在整个定义域上的最小值和全部最小值点。

    In this paper , the minimum and the all minimal points of f ( n ) are given .

  7. 引进Fuzzy关系的定义域和值域的概念,讨论Fuzzy关系的自反闭包,传递闭包和等价闭包等几种Fuzzy关系闭包,证明这些闭包的存在并给出它们的结构。

    The concepts of domain and range of Fuzzy relations are introduced . Reflexive , transitive , and equivalent closures of Fuzzy relations are discussed . Existence theorems of these closures and their structures are also given .

  8. 该模型将定义域的各元素之间的关系(此场景中的域为DB2跟踪文件元素)以及元素本身。

    The model defines the relationships between elements of the domain ( the domain in this scenario is the DB2 trace file elements ) and the elements by themselves .

  9. 当定义域是平面区域而靶空间是Heisenberg群时,作者得到了能量极小解的部分正则性。

    When the target is the Heisenberg group and the domain is in R2 , partial regularity for energy minimizers were obtained .

  10. 本文考虑了带结构阻尼的自由弹性梁分布参数系统,证明了当弹性算子A和阻尼算子B是正定具有相同定义域的同阶算子时,该系统生成一个稳定的解析半群。

    This paper studies linear elastic systems and proves that the system 's main operators generate a stable analytic semi-group if the elastic operator A and damping operator B are positively defined in the form of the same domain and same order .

  11. 分析了定义域为线性偏好断面的社会选择函数的决定集的性质,并用这些性质来证明Arrow不可能定理。

    Analyze characterizations of determine set for the social choice function which domain is profiles of linear order . And then prove Arrow impossibility theorem with this characterizations . 3 .

  12. Fuzzy关系方程极小解的确定如果进一步假设定义域是Carnot群中的区域,作者证明了能量极小解的局部Lipschitz连续性。

    DETERMINATION OF MINIMAL SOLUTIONS OF THE FUZZY RELATION EQUATION If moreover the domain is a smooth open set in a Carnot group , the energy minimizer is locally Lipschitz continuous .

  13. 为了运用矩量法(MM)求解更广泛的函数类型,必须扩展原来算子的定义域,这在多变量问题中(多维空间的场)显得特别重要。

    Solve many general functions by moment method ( MM ), the definition domain of the original operator must be extended , which is very important when it comes to multivariate problems ( fields in multidimensional space ) .

  14. 为了降低匹配时间,在DCT域中,定义域块的8种变换的计算可以简化为两组内积。

    For matching time reducing , the mean squared error computations of the eight orientations of the domain blocks are simply reduced into two groups of inner products in the DCT domain .

  15. 用新方法研究了Banach空间中渐近非扩张映像不动点的迭代逼近问题,去掉了定义域和值域的有界性假设。

    By using a new method , some iterative approximation problems of fixed points for asymptotically nonexpansive mapping in Banach spaces were studied , and the boundedness assumption of domain and range was droped .

  16. 在特征参数化定义域直接引用B-Rep域中的拓扑实体是以往永久命名方法固有的缺陷。

    Direct referring to topological entity of B-Rep domain in feature 's parametric definition domain is inherent limitation of previous persistent naming topological entity method .

  17. 应用区域扰动下Sobolev空间的理论证明了,当微分算子的定义域在一定意义下逼近于某个固定的区域时,相应的最优控制和最优解也按某种扑拓收敛。

    By using the Sobolev space theory under perturbed domains , it is shown that the optimal control and corresponding optimal solution depend continuously on the domain under certain conditions .

  18. 利用MPI提供的库函数,提出了基于MPI的分形图像压缩并行化算法,将图像的定义域块和值域块的搜索匹配过程分配给多台处理器同时执行。

    Uses MPI function and proposes a fractal image compression parallel algorithm based on MPI . Assign the search and match process of domain blocks and range blocks of the image to several processors for executing .

  19. 当定义域是光滑的和非特征(noncharacteristic)区域时作者证明了一个一般的存在性定理。

    The author proved a general existence theorem when the domain is smooth and noncharacteristic .

  20. 主要条件都是局部的,换句话说,只要非线性项的主部f(t,u,v)在其定义域的某个有界子集上的高度是适当的,该问题必然存在解或者正解。

    The main conditions are local . In other words , the problem may possess a solution or positive solution provided the ' height ' of major part f ( t , u , v ) of nonlinear term is appropriate on a bounded subset of its domain .

  21. 该算法的时间复杂度为O(n3d2),其中,n为约束网络涉及的变量数,d为各变量的定义域中最大定义域的大小。

    The time complexity of the algorithm is O ( n3d2 ), where n is the number of variables in a constraint network and d is the maximum size of the domain for each variable .

  22. 在极值型定理的阐述中,引出了Frechet、Gumbel和Weibull分布,给出了三个分布的形式和定义域,最终将这三个分布统一于广义的极值分布。

    In the explanation of the extreme value theorem , it extracts the distribution of Frechet , Gumbel and Weibull , offers the forms and field of definitions and finally unifies the three distributions in generalized extreme value .

  23. 第一节中首先介绍带特殊重试时间的M/M/1重试排队的数学模型,接着引入状态空间、主算子及其定义域,然后将该模型转化成Banach空间中的抽象Cauchy问题。

    In Section 1 , first we introduce the mathematical model of M / M / 1 retrial queue with special retrial times , then we convert the model into an abstract Cauchy problem in a Banach space by introducing state space , operators and their domains .

  24. 在此观点的基础上,对域分析进行了全面的研究,其RRS中包括:定义域分析基本概念、建立完整的域模型、讨论域模型组成之间以及域模型与软件体系结构的相互关系等。

    Based on this point , we research on domain analysis , which include the definition of basic domain analysis concepts , the building of completed domain model , the discussion of the relationship between domain models and software architecture .

  25. 本文研究以Banach代数A上的幂级数拓扑代数A[[X]]及A上的幂级数Banach代数фA为定义域的导子的自动连续性,同时也给出了有关导子的一般形式。

    The purpose of this paper is to study the automatic continuity of derivations from the topological algebra A [ [ X ] ] of power series and the Banach algebra ф _A of power series over a Banach algebra A. We also obtain the standard forms of the derivations .

  26. 建立了调谐型相间功率控制器(TIPC)稳态运行电压的基本可行域,并定义域的性能评估指标;

    This paper establishes a steady-state voltage 's basic feasible region of tuned inter-phase power controller ( TIPC ), and defines an evaluation index of the region .

  27. 基于分形和PIFS函数的特点,提出一种改进的遗传算法用于分形压缩分块的定义域匹配搜索算法。

    An improved Genetic Algorithm for seeking the matching domain blocks of the fractal partition in image compression is proposed , which is based on the characteristic of the partition iterated function system and fractal .

  28. 由于在分形编码时值域块实际上是与经过灰度仿射变换之后的定义域块进行比较,因此我们首先提出了一种在灰度仿射变换下保持不变的图像矩不变量,它可看作是Mario特征的推广。

    Note that in fractal encoding , each range block is to compare with domain blocks after some grey-level affine map . Hence we first put forward a kind of image quadrature invariant of affine maps above , which can be thought of a generalization of Mario feature .

  29. 对一类不定积分定义域的讨论

    The discussion on a sort of indefinite field of definitions

  30. 浅议函数定义域的作用与地位

    A Simple Explanation of the Role and Place of Function Definition Field