迭代计算

This paper presents a method of iteration for least absolute deviation regression,which uses weighted least squares methods.

利用加权最小二乘法，提出最小一乘的一种迭代算法，这种方法使最小一乘法在计算上变得简单、直

Pharmacokinetics and pharmacodynamics of rocuronium at the vocal cords and the adductor pollicis in humans ［J］.

该法的优点在于：用单点效应代替药物效应的全过程，无须对血浆浓度和效应室浓度的平衡作出假设，计算时也减少了迭代次数，从而增加准确性。

The fast Fourier transform technology is adopted to calculate the dyadic Green's operator and its adjoint operator during each iteration of CSI, which ensures the high efficiency of the algorithm in stratified medium.

CSI的每一次迭代过程均采用快速Fourier变换技术计算并矢Green函数算子及其共扼算子，确保了该算法在三维层状介质情况下的高效率。

Spectral methods and the classical Crank-Nicolson scheme are applied to deduce the full discrete system for the continuous model, then the variational adjoint assimilation approach is used to derive the gradient and the corresponding adjoint system.

从这个全离散问题出发，结合全局或局部已知的观测数据，分别构造梯度下降算法求解相应的最优化问题。我们分析了采用不同方法计算梯度所需的代价，另外，还给出一种选择最优迭代步长的算法。

This paper discusses some algorithm of division and square root. Inmy design, I use improved Newton algorithm for square root and Goldschmidt al-gorithm for division.

本文探讨了当前使用较多的一些浮点除法/开方算法，并在设计中采用了改进的牛顿迭代来计算开方、使用 Goldschmidt 算法来实现除法。

The output current of the alternator at different speed is computed by an iteration method.

用迭代的方法计算出发电机负载不同转速时的输出电流。

Tilt angle and twist angle of director with applied voltage at certain δ/λ are calculated with finite-difference iterative method.

根据这些方程和边界条件，利用差分迭代方法计算出指向矢倾角和扭曲角对应某一个δ/λ值在不同电压下的分布。

The braking efficiency is a main performance index in aircraft antiskid braking systems, the author studies the relationship between control accuracy and braking efficiency, so that we may design antiskid braking systems by means of braking efficiency directly, and this is the second creative point.

针对一种常用的描述结合系数和滑移率函数关系的表达式，研究了最佳滑移率、结合系数最大值和机轮抱死时的结合系数与该关系式中三个参数取值范围之间的联系，细化了这些参数的取值范围，减轻了应用迭代法求参数具体值的计算工作量。

In the predicted process, the forward simplification is used to get the interface equation, meanwhile taking the voltage of the concentrated grid as control vector to solve the control step length; in the correction process, by means of forward simplification and back substitution the Newton linearization incremental equations of both concentrated computational grid and contracted nodes are solved alternately.

进行计算时，通过前向简化形成预估环节的接口方程，同时以浓缩网络的电压为控制电压向量求出控制步长；校正环节通过双向迭代方法交替实现对浓缩网络和收缩节点的牛顿法线性增量方程的求解。

In this paper,the new method used to get the section resistance coefficient K is presented,the iterative procedure is established to calculate the internal forces of arch bridge with flat hinge joints,and the computational example is given.

针对这种情况，提出了确定平铰截面抗力系数K的新方法，建立了计算平铰拱桥内力的迭代算法，并进行了实例计算，研究结果表明，这一方法对具有任意个平铰、任意形状截面的拱桥结构是适用的。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。