系数问题

Basic ant colony algorithms are intelligentized. Based on the intelligentized algorithms and Matlab, simulation regarding optimization of benzene-toluene flash vaporization process is made. The simulation result shows that the amount of benzene in vapor phase product reaches the maximum on the condition of effective adjustment of temperature, pressure and diffluence coefficient and the production process is optimized. It is also proves that the intelligentized algorithms are practical in optimization of chemical production process.

对基本蚁群算法进行了智能化改进，并运用智能蚁群算法和Matlab语言，对化工生产过程中的实际优化问题，苯-甲苯闪蒸过程进行了优化仿真计算，仿真结果表明，在有效地调整温度、压力及分流系数的条件下，使得汽相产物中苯的产量达到最大，实现了苯－甲苯闪蒸过程的最优化，同时也证明了蚁群算法可以有效地解决化工生产过程中的优化问题。

Under the appropriate assumptions, the asymptotic solutions of the problem with different forms are obtained according to the multiple number of the root of some equation, which is satisfied by the boundary value of the reduced problem, by giving the general expressions for the coefficients of outer solution expansion and the corresponding boundary conditions.

在适当的假设下，通过给出外部解展开式系数及其对应边界条件的一般表达式，根据退化问题的边值作为某方程的根的重数，得到了此问题不同形式的渐近解。

Thermal stress calculation in ice cover is a nonlinear problem, this includes edgeconditions nonlinearity, ice specific heat and conductivity nonlinearity, and ice elasticmodulus and linear thermal expansivity nonlinearity.

冰层温度应力问题是非线性问题，包括边界非线性、冰的比热C和导热系数K的非线性、冰弹性模量和热膨胀系数的非线性等。

The thesis made a study on the construction of the road transportation in Inner Mongolia. Through analyzing the social economys development, the present of synthesis transportation and the infrastructure, the equipment of goods traffic and the present situation of the operation and the management, the problems between road transportation and social economic development in the structure in Inner Mongolia were pointed out. Then the methods of regression forecast, flexible coefficient, and straight line tendency forecast etc were used to estimate the quantities of the goods and Freight Ton-kilometers. According to the future demands of goods volume of road transported and the development of freight transportation turnover quantity in Inner Mongolia and the existence question, the adjustment plan of the road goods traffic station yard layout, network structure transports strength structure and service system have been proposed, and then the synthesis appraisal of the plan has been carried on, the Inner Mongolia road goods traffic structure adjustment safeguard measure was proposed.

本论文以内蒙古自治区公路货物运输的结构性为研究对象，通过分析社会经济发展、综合运输现状及基础设施、货物运输装备、运营与管理现状等，指出了目前内蒙古自治区公路货物运输与社会经济发展、综合运输发展在结构方面存在的问题：运用相关线性回归分析、弹性系数法、直线趋势预测等方法，对内蒙古自治区公路货物运输未来的货运量和货运周转量进行了预测；根据未来内蒙古自治区公路货运量和货运周转量的发展需求与存在的问题，提出了公路货物运输路网结构、站场布局、运力结构、服务体系等方面的调整方案，并对方案进行了综合评价；提出了内蒙古自治区公路货物运输结构调整的保障措施。

Results on existence and uniqueness of the solution for the diffraction problem are obtained by variational method and integral equation method, respectively.

考虑一类具有周期系数的Helmholtz方程，它是一类衍射光栅问题的数学模型，研究这类问题的数值解法。

According to the special structure of the coefficient matrix arising from the SUPG discretization of convection-diffusion problem, or the MAC discretization of the Oseen problem, we use Kronecker product approximation to design the preconditioner.

第一章讨论预条件技术，针对对流扩散问题和 Oseen 问题离散后系数矩阵所具有的特殊结构，用近似 Kronecker 积构造预条件子。

Making use of the fundamental solution of Laplace equation, we change the nonhomogeneous Helmholtz equation with veriable coeffients into integral equation.

利用Laplace方程的基本解，将变系数非齐次Helmholtz偏微分方程的边值问题化为积分方程问题。

This are algorithmic need the linear combination that seeks control quantity to express to be disperse Legendre orthogonal polynomial, will beg control to measure problem translate into to beg question of coefficient of disperse Legendre orthogonal polynomial.

该算法把待求控制量表示为离散Legendre正交多项式的线性组合，将求控制量新问题转化为求离散Legendre正交多项式系数新问题。

In this paper, the essential problems about the transformation matrix of B-spline bases-the conditions of existence, the analytic representation and the computational formulas of the transformation matrix are studied, and the results in those aspects are given.

本文研究其最基本的问题：存在性条件、解析表示和计算方法，利用差商展开系数得到了上述问题的有关结果。

In the parallel program, the in-core and out-of-core algorithms can be identified and chosen to use automatically. So the algorithms are united.(3) The re-orthonormalization technique is used to solve the loss of orthonormality of basis vector during the classical GMRES method solving large-scale three dimensional elasto-static BE problems.

3采用重正交技术解决了经典GMRES方法在求解大型三维弹性静力边界元问题过程中出现的基向量正交性丧失的问题；结合边界元基本解和系数矩阵的特点以及并行化的要求，研究了几种预条件技术；并以重正交技术和预条件技术实现了经典GMRES的实用化。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新