迭代过程

Rather than always iterating over an arithmetic progression of numbers, or giving the user the ability to dene both the iteration step and halting condition, Python's for statement iterates over the items of any sequence, in the order that they appear in the sequence.

通常的循环可能会依据一个等差数值步进过程或由用户来定义迭代步骤和中止条件，Python 的for 语句依据任意序列中的子项，按它们在序列中的顺序来进行迭代。

Rather than always iterating over an arithmetic progression of numbers, or giving the user the ability to define both the iteration step and halting condition, Python's for statement iterates over the items of any sequence, in the order that they appear in the sequence.

通常的循环可能会依据一个等差数值步进过程或由用户来定义迭代步骤和中止条件，Python 的 for 语句依据任意序列中的子项，按它们在序列中的顺序来进行迭代。

Rather than alwaysiterating over an arithmetic progression of numbers,or giving the user the ability to define both the iteration step andhalting condition, pythonsfor statement iterates over the items of anysequence, in the order that they appear inthe sequence.

通常的循环可能会依据一个等差数值步进过程或由用户来定义迭代步骤和中止条件，python 的 for 语句依据任意序列中的子项，按它们在序列中的顺序来进行迭代。

It can be found that the IPCA, as a non-iterative method, can obtain one principal component by only one calculating process. Therefore the IPCA is not only fast in calculation, but can avoid the cumulative error suffered by iterative methods.

使用模拟和实验HPLC-DAD数据对IPCA进行了验证，结果表明IPCA是一种非迭代方法，只需要完成一次计算过程即可得到一个主成分，因此IPCA不仅能够显著提高运算速度，而且可以避免迭代法中的误差积累问题。

It solves the grid equations with domain decomposing multigrid parallel method and precondithoners as elimination method.From the discussion of the iterative property of Gauss elimination method,it can improve the parallel efficiency by overcoming the obstacle in the information passing.

对网格方程组作多重网格区域分裂并行计算，以消去法为预条件，讨论了Gauss消去法的迭代性质，指出该迭代法有效改善通常迭代在子域信息传递过程中的障碍性问题，提高多重网格区域分裂并行计算效率。

For the problem of value iteration optimization of the compact action set in semiMarkov decision process, a unified standard VI algorithm directly based on the equivalent infinitesimal generator under both discount and average criteria was proposed with the proof of convergence.

针对半Markov决策过程在紧致行动集上的数值迭代优化，提出了折扣和平均准则下直接基于等价无穷小生成子的统一的标准数值迭代算法，并证明了其收敛性。

Based on prestressed steel beams, considering effect of the method of construction to slip and stress increment, accoding to conception that procedure of calculation reflects the procedure of construction and change of structural internal force, making good use of the method of section conversion and making iteration reflect the coupling of slip and stress increment, bringing forth a method of iteration and modified stiffness to calculate the deflection of prestressed composite steel-concrete beams in normal servicing prase.

以预应力钢梁为基础，充分考虑施工方法对结构滑移和应力增量的影响，依据设计计算中反映施工过程和结构受力变化过程，通过截面换算，以循环迭代法来考虑滑移和预应力钢束的耦合作用，提出了计算预应力钢—混凝土组合梁正常使用阶段挠度变形的迭代—修正刚度法。

Its most advantage is: it is suitable for any complex geology structure, the"iterative"ray tracing method is based on Fermat"minimum travel time principle", it uses Taylor expansion and finds the solution segmentally and iteratively, then modifies the initial ray path.

迭代射线追踪方法是根据Fermat最小旅行时原理，应用Taylor展开，分段迭代求解，再逐次修改初始射线路径，完成全射线路径的迭代求解过程，其最大优点是计算的速度快，追踪射线效率高。

A new simulation and optimization method using guass-seidel algorithm for cocurrent multi-effect evaporation was presented.

提出一种基于Guass-Seidel迭代法的多效并流蒸发过程的模拟以及优化方法，并以一简单三效并流蒸发过程为例，详细阐述了Guass-Seidel迭代法模拟的具体步骤。

From the view of initial deformation,the dual intercrossed iterative method is developed to determine the initial deformations of cables and hangers,sequential method based on initial deformations to simulate the tensioning process in batches,and converse iterative method in sequential anal.

本文从索初始变形的角度出发，针对该类结构的特点，提出了&双重交叉迭代法&确定拉索和吊杆初始变形，索初始变形&顺序分析法&模拟分批张拉施工过程以及索张拉力&顺序分析逆迭代法&解决张拉力已知时的预应力施工过程模拟问题，并将这三种方法进行不同组合，解决各种情况下的多次、分批张拉施工过程分析的问题，由此确立了一套完整的适合该类结构的预应力全过程分析方法。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。