At each iteration, a master direction is obtained by solving one direction finding subproblem which always possesses a solution, and an auxiliary direction is yielded by an explicit formula.
在每次迭代中，主方向是通过求解一个总有解的寻找方向子问题产生，而辅助方向是由一显式公式计算产生。
In this paper, the author faced with iteration method which often USES in equation solving, mainly introduced the structure procedure of convergent iterative formula and illustrated by examples.
本文针对方程求解中常用的迭代方法，主要介绍了收敛迭代公式的构造过程，并通过举例加以说明。
By formula deriving and data calculating, the errors resulted from the two different methods are obtained, and their effects on solving practical engineering problems revealed.
并通过公式推导及具体数据计算，找出两种不同处理结果的误差，及对解决工程实际问题的影响。
By use of the common formula for solving the time variations of the crustal density, the approximative plane formula is derived and its numerical calculation method is given.
采用求解地壳单层密度变化的一般公式，导出其平面近似公式并给出了相应的数值计算方法。
The shearing-stress formula in curved beams can be derived by solving directly an integral equation, and the formula for radial stresses is also presented in this paper.
直接对曲梁剪应力的积分方程求解，导出了曲梁剪应力和径向应力的计算公式。
The paper describes the evaluation method for the radius of plastic region by numerical solving through Kastner formula instead of evaluation by discount.
本文叙述了家竹箐隧道不用折扣取值而用数解法通过卡斯特纳公式求解塑性区半径的方法。
The analytic calculation of GERT network was presented by solving moment function and Mason formula to determine the construction procedure parameters.
将GERT网络技术应用于桥梁施工进度控制，通过分析矩母函数、梅森公式阐述了GERT网络的解析法，提出确定工序参数的方法。
In this paper, Euler's formula and Handshaking lemma is used to obtain the face chromatic number of a planar graph by solving equations.
本文在前人研究的面着色问题基础上，运用欧拉公式和握手定理通过解方程组得到连通平面图的面色数。
The value which was calculated using this approximation formula of pulse duration was close to that of solving the rate equations by computer.
使用脉宽表示式计算的结果与计算机数值计算相符。
By solving the model, a formula of the expected dividend can be obtained. To illustrate it, the paper gives three computational examples finally.
最后本文列举了三个说明性的实例，对预期股利的实际计算进行了初步分析。
By solving the model, a formula of the expected dividend can be obtained. To illustrate it, the paper gives three computational examples finally.
最后本文列举了三个说明性的实例，对预期股利的实际计算进行了初步分析。
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