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   high-order equation 的翻译结果: 查询用时:0.163秒
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high-order equation
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  高阶方程
     In this paper, we mainly consider a boundary value problem for a high-order equation in the complex plane and a boundary problem for a hyperbolic equation in four-dimensional space by complex analytic methods. At the same time, we study the hyperbolic numbers and the bi-complex numbers by the method of algebra which are important for solving hyperbolic equations,and this presents more theory arguments for solving more hyperbolic equations by the tool of hyperbolic numbers and bi-complex numbers.
     本文主要利用复方法考虑了一个平面上的高阶方程的边值问题和一个四维空间上的双曲方程的一个边值问题,并对解双曲方程有重要作用的双曲数和重复数用代数方法进行了研究,为进一步用双曲数和重复数解双曲方程提供了更多的理论依据.
短句来源
     In this paper, we study the existence of single or multiple positive solutions of three-point boundary value problems, under the assumption of resonance or non-resonance, and we also study the existence of nontrivial periodic solutions for high-order equation.
     本文研究三点边值问题在共振与非共振情况下单个解或多解的存在性和高阶方程的非平凡周期解的存在性。
短句来源
     By using the method, we study the evolution of multi-photon J-C model with any coupling of intensity, presenting one-order approximate solution to the model and recursion formula for any high-order equation. We also give an evolution formula of atomic average energy at the limited temperature in the paper.
     应用这个方法,我们研究了任意强度耦合的多光子J-C模型的演化,给出了此模型的一阶近似解和任意高阶方程解的递推公式.应用零级解,我们给出了有限温度条件下原子平均能量的演化公式。
短句来源
  高阶方程解
     By using the method, we study the evolution of multi-photon J-C model with any coupling of intensity, presenting one-order approximate solution to the model and recursion formula for any high-order equation. We also give an evolution formula of atomic average energy at the limited temperature in the paper.
     应用这个方法,我们研究了任意强度耦合的多光子J-C模型的演化,给出了此模型的一阶近似解和任意高阶方程解的递推公式.应用零级解,我们给出了有限温度条件下原子平均能量的演化公式。
短句来源
  “high-order equation”译为未确定词的双语例句
     Function Approaching and Approximately Calculating of High-Order Equation on Computer
     在电子计算机上实现函数逼近和高次方程的近似解
短句来源
     SOLVING HIGH-ORDER EQUATION FOR BUILDING STRUCTURE BY TANGENTIAL METHOD
     用切线法解建筑结构中的高次方程
短句来源
     By means of measuring the lower natural frequencies of cross beams together with transfer matrix method, the high-order equation or nonlinear equation sets can be deduced by computer algebra language. This equation contains unknown quantity of the supporting stiffness. Thus the stiffness can be identified.
     通过实测交叉梁系低阶的固有频率,以传递矩阵法为基础,由计算机代数语言推导出含待识别支承刚度的高次方程或非线性方程组,解此方程就能识别出支承刚度,并通过实验来验证该方法的有效性。
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  相似匹配句对
     High heel
     情迷高跟
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     Climbing high
     高高在上
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     high-technology;
     产业高技术化;
短句来源
     O - resistance is high.
     后者化验:血沉明显增快,抗“O”增高。
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     On Order
     秩序微言
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In the finite element method for elastic problems, when any two constant-strain elements are geometrically similar in the plane or space coordinates, their coefficients of stiffness are equal or proportional. With this nature, we can discretize a structure into several main elements, each of which is then subdivided by the computer into several sub-elements geometrically simitar to one another. Because of the similarity of these sub-elements, the coefficients of stiffness for the nodes of the same zone ( material...

In the finite element method for elastic problems, when any two constant-strain elements are geometrically similar in the plane or space coordinates, their coefficients of stiffness are equal or proportional. With this nature, we can discretize a structure into several main elements, each of which is then subdivided by the computer into several sub-elements geometrically simitar to one another. Because of the similarity of these sub-elements, the coefficients of stiffness for the nodes of the same zone ( material ) are equal in the whole stiffness field of the structure. In using the iterative method, both the computation and the computer storge can be greatly reduced in amount.Consequently,this approach enables a common computer to handle several thousand nodes and very high order equations. For this, a combined method of regressive interpolation and iterative over-relaxation, more rapid than the ordinary iterative method is proposed in the paper.This approach is mainly aimed at studying the stress in large foundation of hydraulic structures as well as the stress concentration at edges and corners of the dam and is also applicable to other types of structure.

在弹性力学的有限单元法中,几何相似的平面或空间等应变元,其劲度系数相等或成一定比例.由这一性质我们可将结构分成几个大块母元,然后由计算机再将每个母元细分成若干个彼此相似的子元.由于子元间的相似性,结构的整体劲度场中同一类型的结点,其劲度系数是相同的.在采用迭代法求解时,结构整体劲度场的计算量及存储量都大大减小.本文提出了比一般迭代法快得多的递推插值超松弛迭代法. 本方法是为深入研究水工结构的大范围地基应力及大坝角缘应力集中问题提出的,显然它也适用于各种类型的其它结构.

The migration of higher-order equation can be achieved by first re- solving an approximate higher-order equation into (n-l) second order equations by means of split method (n is the order of the higher-order equa- tion) and then solving these second order equations by means of finite dif- ference method. The above method is almost not limited in the angle of dip, therefore the accuracy of migration is increased.

本文提出用分裂法把高阶近似方程分解为n-1个(n为高阶方程的阶数)二阶方程,然后用有限差分法交替地解这些二阶方程就可以实现高阶方程的偏移。本方法突破了现有差分法对倾角的局限性,因此提高了偏移的精度。

Stability of the Du fort-Frankel (DUFF) type of difference scheme for high order equation is considered in [1] by S.Mckee. In this paper, stability of the DUFF type of difference scheme for the ge- neral high order equation si considered. Where coefficients a ij>0, a i i = a j i (i, j = 1, 2, …, M)are all consta- nt and yields Where allξ1,ξ2,…ξM are not equal to zero.

S.Mckee在[1]中讨论了高阶方程 的Du Fort-Frankel(DUFF)差分格式的稳定性,本文讨论一般的高阶方程 的一个DUFF型差分格式的稳定性.其中系数aii>0,aij=aji(ij=1,2,…,M)均为常数, 且满足关系式 其中ξ1,ξ2,…ξM不全为零的任意实数。

 
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