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iterative step相关的网络例句

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与 iterative step 相关的网络例句 [注:此内容来源于网络,仅供参考]

Because of the problem of convergence, the key techniques to complete the one step simulation were explored thoroughly. The geometry mapping method based on finite element model and inverse deformation was developed to get the approximate initial blank for one step simulation. The effective selection of convergence factor in Newton-Raphson method was studied. The divergence criterion in iterative process for one step simulation was put forward. Also the countermeasure to ill equations coefficient matrix was studied.

由于存在收敛性的问题,本文重点研究了一步模拟方法计算机实现的关键技术:提出了基于有限元模型的几何映射方法和反向变形方法来确定初始毛坯的近似解,研究了带收敛因子的Newton-Raphson方法中如何高效地选取收敛因子,提出了一步模拟迭代求解过程中的发散准则,并研究了病态方程组系数矩阵的修正方法。

If the iterative step is greater than a certain number, the fictitious equilibrium force will change simply with factor of slope.The algebraic method is efficient to obtain a convergence value of safety factor.

研究结果表明:基于给出的算法,通过迭代求解安全系数,收敛速度快;在迭代初期,平衡力与安全系数间有较复杂的对应关系;当迭代次数大于某一值后,平衡力随安全系数的增加而单调地变化。

The rolling effects of horizontal and edger rolls were both taken into account during load distribution, and iterative computations were done alternately along the width and thickness of work piece by virtue of the equal load function to optimize the rolling schedule step by step.

分配时兼顾水平辊和立辊轧制的影响,在宽度和厚度两个方向进行等负荷函数的交替迭代计算,逐步优化规程,并在外层迭代中设置了机组轧制负荷超限情况下的道次数自动修正。

The idea of this algorithm is to find the optimal solution in the feasible region by an iterative step from one basic standard hyperplane to another.

此算法的基本思想是在规划问题的可行域中由所建的一个切割面到另一个切割面的不断推进来求取最优的。

Rather it is, by its nature, an iterative process in which progress is made haltingly, two steps forward and one step back.

宁可它藉着它的自然,是一个进步被表现 haltingly 的反复程序,二个步骤转寄和向后地一个步骤。

In chapter two,We present a globally nonlinear implicit difference scheme,i.e., a nonlinear iterative algorithma has to be used to solve the system of the nonlinear algebraic equation at each discrete time step.

第二章构造了一个非线性隐差分格式,在每一个时间层上需要迭代求解非线性方程组,该格式可以保证离散电荷和离散能守恒。

Introduce the ideological root causes and background knowledge in detailed, give the iterative formula and the iteration step.

针对微粒群算法在求解函数优化问题时出现的一系列问题,本文提出了雁群算法,详细介绍了雁群算法的提出的思想根源和背景知识,给出了算法的迭代公式和迭代步骤,并结合具体实例与微粒群算法相比较,对于某些优化问题,其优化性能比微粒群算法有较大的提高,在一定程度上弥补了微粒群算法的不足。

In Chapter 4, a symmetric triangular partitioned secant method for solving large scale sparse unconstrained optimization problems is constructed, which is a combination of a secant method and a finite difference method, and depends on a consistent partition of the columns of the lower triangular part of the Hessian matrix; it reduces the number of gradient evaluations required by Powell and Toints algorithm (the indirect lower triangular substitution algorithm) by one at every iterative step.

此算法是基于稀疏Hesse阵的下三角部分的列的相容分划的基础上建立起来的,把割线法和有限差分法有机的结合在了一起,在每次迭代中,把由Powell和Toint的算法所需要的梯度赋值次数减少了一。

In Chapter Six,we translate the equation of the iterative step of nonsmooth Newton-type method for nonlinear SDP into the conversional linear equations by the tensor technique. By using the equivalency conditions in Chapter Five, we establish the local convergence of this method.

在第六章中,我们通过张量技术把非线性半定规划问题的非光滑牛顿型法迭代步方程转化为一般的线性方程组,并利用第五章中的等价性结论分析了这种方法的局部二次收敛性。

Inspired by these results, in this paper, we first give the definition of a new mapping ? uniformly Lipschitz asymptotically nonexpansive mapping on a compact subset of a uniform convex Banach space, then construct three-step iterative sequences of uniformly Lipschitz asymptotically nonexpansive mapping in this subset . We proved the convergence of this three-step iterative sequences for uniformly Lipschitz asymptoticallynonexpansive mapping, Further more, we proved this three-step iterative sequences with an error member converge to fixed points.

从中得到启发,在本文我们首先定义了一致凸Banach空间某非空紧子集上的一种新的映射——一致李普希兹渐进非扩张映射,在该紧子集上构造关于一致李普希兹渐进非扩张映射的三步迭代序列以及具误差的三步迭代序列,先来讨论三步迭代序列的收敛性,进而讨论具误差的三步迭代序列的收敛性。

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