查询词典 problem solving

The researches about solving the nonlinearoperator equation in the paper, point out a new direction and instructionalmeaning for solving general nonlinear operator equation.

本文中关于非线性算子方程求解问题的研究，为一般非线性算子方程求解的研究指出了一条新的方向，从而对一般的非线性算子方程的研究具有指导意义。

A direct iteration method in solving normal equations by means of bidirectional asynchronous integral has been successfully exploited, so that it can efficiently overcome the difficulty in solving two-point boundary value problems resulting from inverse s

文中提出双向异步积分迭代求解正则方程组的直接迭代法，较好解决了状态方程和协态方程稳定性相逆给求解两点边值问题带来的困难。

In accordance with these questions, one kind of method solving these issues was put forward in this text, and namely adopting mathematics to build the method of pattern, by w-ay of studying the big needle drum system of PASSIM's cigarette machine, to use the mathematical model of big needle drum system of " black box " method establishment, and uses whole parameter and the correlation coefficient to map out the big needle drum system mathematical model of least square method, the question time lapse that what in accordance with the system exists pure adopts Smith compensator to estimate the compensator in advance solving the issue of system lag, and uses whole fixed method of frequency conversion control engineering and PLC's control engineering and PID etc to put into effect transforming to the system, and finally by way of theory verify and reality to verify to prove the success of system transformation.

针对这些问题，本文提出了一种解决这些问题的办法，即采用数学建模的方法，通过研究PASSIM卷烟机大针鼓系统，利用"黑匣子"方法建立大针鼓系统的数学模型，并运用最小二乘法整定出大针鼓系统数学模型的参数及相关系数，针对系统存在的纯时滞问题，采用史密斯预估计补偿器来解决系统滞后的问题，并利用变频控制技术和PLC控制技术、PID参数整定方法等对系统实施改造，最后通过理论验证和实际验证证明了系统改造的成功。

As the inversion and compression attack includes the question relating to solving thepreimage from image of function, a subdivision algorithm for solving preimage of function withbounded derivative based on Lagrange mean value theorem is proposed firstly.

由于逆推压缩攻击方法涉及混沌映射的求逆，针对复杂混沌映射求逆困难的问题，运用拉格朗日中值定理，我们提出了求解导函数有界的函数原象的分割算法，给出了使分割算法计算复杂性上界达到最小的充分条件。

If the step of the linear system question is not very high, direct solving method is better; if coefficient matrix of the linear system question is not regular and large-sparse matrix , direct solving method does not settle the storage question.

而在求解线性方程组的许多实际问题中，尤其在偏微分方程的差分方法与有限元方法求解问题之中，方程具有重要的特征，一是多为大型稀疏矩阵；二是满足一些条件如对称正定、对角占优等，这使迭代法得到广泛的应用。

At last, we discuss the computational problems in solving the model. After an introduction of some common used algorithms and an analysis on their advantages and shortcomings, a new method for solving stochastic programrning stochastic dual dynamic programming is presented.

本章最后讨论了模型求解问题，在介绍常用随机规划算法和分析它们优缺点的基础上，给出一种新的求解方法一随机对偶动态规划算法。

A lagrangian relaxation heuristic algorithm based on subgradient optimization is applicated to solving the practical scale problems. The solution algorithms solving sub-problems are also listed.

提出了求解实际规模问题的基于次梯度优化的拉格朗日松弛启发式算法，并给出了各子问题的求解算法。

In this paper, we give the method of solving the partial differential equations with the combine use of symbolic and numerical method, which is a new way of solving the extremely complicated partial differential equations.

本文作出了将符号计算方法和数值计算方法结合起来求解偏微分方程的研究工作，这是求解比较复杂的偏微分方程的新途径。

This paper illuminates several applications of Taylor formula, such as solving the limitation of variable equation, proving variable function equation and so on. It is an important guide for us to have a better understanding of Taylor formula's great functions, to exploit students' ways to thinking problems, to improve students' ability in analyzing and solving problems and to multi-use knowledge.

文章阐述了泰勒公式在求不定式的极限、函数不等式的证明等几个方面的应用，这对深刻体会泰勒公式的重要作用，开拓学生的解题思路，提高学生分析问题、解决问题的能力以及综合运用知识的能力有着巨大的指导作用。

During the process of solving power flow, the incremental transmission loss of each node can be easily obtained by means of simply solving the transposed matrix of original n-order matrix.

介绍了一种基于直流潮流的网损微增率新算法直流雅可比矩阵法，该方法以直流潮流为基础，引入虚拟网损负荷变量并构造出带有松弛负荷变量的有功不平衡方程雅的可比矩阵，在解潮流过程中只需求解n阶矩阵的转置矩阵，即可获得各个节点的网损微增率。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。