二-十进制数
- 与 二-十进制数 相关的网络例句 [注:此内容来源于网络,仅供参考]
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On the whole, we do as follows: Firstly, we list some conceptions and lemmas for later use. Secondly, we inducted the absolute value norm in the two-dimensional vector interspace, and also proved the two-dimensional vector interspace is a Banach Interspace. Thirdly, we define two-dimensional vector-valued functions on a interval by the definition of -fine partitions in part 1. Then, some sufficient and necessary conditions of integrabel are given, and discuss the property of the integral on two-dimensional vector-valued functions.
主要包括以下内容:在第一部分,我们介绍了本文所用到的几个基本概念和引理;第二部分,我们在二维向量空间中引入了绝对值范数,并且证明了二维向量空间是一个Banach空间;在第三部分中,通过第一部分关于-精细分划的定义,我们给出了在某区间上二维向量值函数积分的定义以及可积的充分必要条件,并讨论了二维向量值函数积分的一些性质。
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The least norm solutions of symmetric and skew antisymmetric matrix equations (A~TXA, XA — YAD)=(D, 0)are also considered. 3. The least-squares solutions and the least norm solutions of the quaternion matrix equations AX = B and XD = E are studied by using
借助四元数的复表示方法,研究四元数矩阵方程组AX=B,XD=E的最小二乘问题和极小范数解的问题,并对主子阵约束下的方程组的解进行了讨论,得到了它们的显式表示。
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Therefore, in this article,we first discussed the compound negative binomial, it able to simultaneously fitthe claim size and the claim number. At the same time, we studied the sum of themutually independent compound negative binomial and the sum of the mutuallyindependent compound negative binomial with discount factor and the sum of themaximal compound negative binomial; Next, for the claim data to be better fitted, this article has establishedthe superposition distributed model about the weighted average of the discreterandom and has discussed the estimation method of the parameters of thesuperposition distribution; Once more, we in detail elaborated the NCD which based on the claim numberand the NCD which based on the claim size and the claim number. Besides, weestablished an applied NCD model which also based on the claim size and the claimnumber; At last, we introduced the rewards and punishment coefficient of automobiletravel region into the applied NCD model, availably consummated the present NCD.
因此,本文首先讨论了能拟合索赔额大小和索赔次数的复合负二项分布,并对相互独立的复合负二项分布的和、带有折现因子的相互独立的复合负二项分布的和以及最大复合负二项分布进行了研究;其次,为了更好地拟合索赔数据,本文建立了离散随机变量加权平均的叠加分布模型,并讨论了其中的权数的估计方法;再次,本文详细阐述了基于索赔次数的无赔款优待系统、考虑索赔次数和索赔额大小的无赔款优待系统以及应用型的同时考虑索赔次数和索赔大小的无赔款优待系统;最后,本文在无赔款优待系统中引入了汽车行驶区域奖惩系数,对现行的无赔款优待系统进行了完善。
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On the basic that existing second-order sufficient condition for an isolated minimizer of order 2 for unconstrained multi-objective optimization, using the so called oriented distance from a point to a set, l-stable function and generalized second-order Peano direction derivative, some second-order sufficient conditions for an isolated minimizer of order 2 for constrained multiobjective optimization problems with l-stable functions are obtained.
在已有的无约束l-稳定函数多目标优化问题的二阶充分条件的基础上,借助定向距离函数和l-稳定函数的性质及引入的广义二阶Peano方向导数,进一步刻画了具有抽象约束的l-稳定函数的多目标优化问题的二阶孤立极小点的二阶充分条件。
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A kind of method to determine boundary conditions of interpolating quadric spline function with halfknots as conjunction points, which is C 1 continuous but its second derivative function is piecewise constant, is obtained by means of least squares.
鉴于此,本文利用最小二乘法,获得了一种半节点二次插值样条边界条件确定方法,该方法可以保证二次插值样条在半节点处二阶导数的变化最小,这相当于保证了曲率的变化最小。
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In this paper,we give the error expressions of piecewise linear Lagrange polynomial interpolation and piecewise cubic polynomial interpolation using the Taylor expansions.
中文摘要:本文利用Taylor展开得到三角形上线性Lagrange插值和三次Lagrange插值的导数余项公式,对这些余项公式进行分析,给出了两类能以四阶精度逼近被插函数在对称点的导数值的格式,一种是在均匀剖分时其分片线性插值的相邻单元的导数值的后处理格式,一种是在六片强正规剖分时的三次插值在对称点上的导数值的后处理格式,使得在已知原函数在各节点的值后,通过一个简单的线性计算就可得到原函数在对称点的导数的一个超逼近值,将以往提出的平均导数的二阶精度提高到四阶。
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Because of the condition of 〓 for two neighbour parametricspline surfaces is too strong,here,instead of it,some simple and practicableconditions of 〓 resulted from the general theorem obtained by Prof.LiuDing Yuan in Chapter 1 were proved,and three 〓 triangular splinesurfaces schemes wre presented:one is piecewise cubic spline surface patcheshaving local 〓 and whole 〓 continuity based on the refined HCTtriangulation,another is the same degree spline surface patches but based onthe refined Powell-Sabin triangulation,the third is piecewise quartic splinesurface patches having local 〓 and whole 〓 continuity based on therefined P-S triangulation.
由于对参数曲面,一阶导数连续的要求较强,我们采用第一章从刘鼎元定理导出的简单实用的几何连续条件,讨论了基于HCT加细三角剖分和P-S加细三角剖分上的两种局部达一阶导数连续而整体有一阶几何连续的分片三次样条曲面构造算法,一种局部达二阶导数连续整体有一阶几何连续的分片四次样条曲面构造方法。
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The invention relates to a preparation process for synthesizing polyethylene terephthalate 1, 3- terephthalate catalyst, which comprises adding titanic acid ester, germanium compounds and cobalt compound into liquid dispersed phase of organic solution, wherein the total weight concentration is 4-10%, and preparing the catalyst through mechanical stirring or ultrasonic wave mixed ligand for 10-60 minutes in 0-120 DEG C, wherein the adding content of titanic acid ester, germanium compounds and cobalt compound are respectively 200-500ppm, 50-300ppm and 100-400ppm of reaction monomer mass of terephthalic acid or dimethyl terephthalate.
本发明涉及一种合成聚对苯二甲酸1,3-丙二醇酯催化剂的制备方法,将钛酸酯、锗化合物和钴化合物加入到有机溶剂的液体分散相中,总重量浓度为4~10%,在0-120℃通过机械搅拌或超声波混配10-60min制得;钛酸酯、锗化合物和钴化合物加入量分别是对苯二甲酸或对苯二甲酸二甲酯反应单体质量的200-500ppm、50-300ppm、100-400ppm;用此催化剂制备PTT产品,酯化和缩聚反应时间相对于单独使用钛酸四丁酯缩短了30-60min,产品特性粘数0.70-1.05dL/g,色相b值在2-6之间,切片可用于加工新型合成纤维及工程塑料产品。
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Compared with the two dimension FD, the methos are fast and simple,the experiment result shows it is feasible to classify manmade targets and natural objects by the FD of the rough profile of contour.
实验表明,水杯及车辆轮廓的分形维数较低,岩石则具有较高的分形维数,通过同二维结果的对比,从计算量和分形维数两方面证明用所提出的算法计算轮廓分形维数区别人工目标和自然物体是可行的。
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When 〓 is the family of bipartite graphs,the 〓 capacityand the 〓 valency of a graph G are referred to as the biparticitydenoted by β(Gand the bivalencydenoted by 〓(Gof G respectively;when 〓 is the family ofgraphs whose components are complete bipartite graphs,the 〓 capacity and the〓 valency of a graph G are referred to as the complete biparticitydenoted byc(Gand the complete bipartite valencydenoted by 〓(Gof G respectively;andwhen 〓 is the family of star forests,the 〓 capacity and the 〓 valency of a graphG are referred to as the star arboricitydenoted by st(Gand the star valency ofG(denoted by 〓)respectively.
以v记图G的完全二部分解中顶点υ所关联的π中完全二部图的个数,记〓这里π取遍G的所有完全二部分解。我们称υ为G的完全二部次。对一般的图,当图的阶数充分大时,P。〓和L.Pyber给出了υ的一个上界,即,〓。F.R.K.Chung等人及Z.Tuza的结果说明这一上界是不可改进的。对υ的具体值,即使是对某些特殊的图类,结果也知之甚少。P.C.Fishburn和P.L.Hammer给出了一个相关的结果:当n≤16时,〓,(在υ的定义中,以完全二部覆盖替代完全二部分解,即得〓。同时他们提出了下述公开问题。问题1。〓=?
- 推荐网络例句
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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.
最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。
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Only person height weeds and the fierce looks stone idles were there.
只有半人深的荒草和龇牙咧嘴的神像。
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This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.
这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。