查询词典 first approximation

The linear approximation function uncouples the problems at different terminals so that we arrive at the local problem for each terminal at each time period.

构造线性替代函数来逼近目标函数中的期望函数部分，使问题分解为多个单时段单节点问题。

Firstly, the function sinx that appears in the simple pendulum equation is replaced with a polynomial of degree 3 using Maclaurin series expansion and Chebyshev polynomial approximation. Subsequently, the resulting equation which is a Duffing type equation is approximately solved with combing Newton's method and the harmonic balance method.

首先，利用Maclaurin展开和Chebyshev多项式加速技术将单摆振动方程中的正弦型恢复力用三次多项式近似代替，得到一个Duffing型方程；然后，将牛顿法与谐波平衡法结合起来建立Duffing方程的解析逼近周期及周期解，从而给出单摆振动的解析逼近解。

Proposed in the p aper are the ordered monotony property of MFNNs when the transfer function is mo notone, the continuous mapping theorem, and non-approximation theorem to functi on.

给出了单调传递函数的MFNNs按序单调特性、连续映射定理以及非函数一致逼近定理。

The experimental results show that the presented method could refine the approximation image as quickly as possible because of the use of Markov model and wavelet transform.

实验结果表明，由于使用了马尔可夫模型和小波变换，可以更快的得到细节丰富的图像。

In chapter 2,Using the Rindler approximation we compute the entropiesdue to the quantum fields near the horizon,including massless scalar fieldand Dirac field.

其次在第二章里，我们利用Rindler近似计算了黑洞附近量子场的熵，包括零质量的标量场和Dirac场。

ABSTRACT It is very difficult to get exact mathematical models of industrial processes, models used in design procedure of control systems are commonly mathematical models through approximation.

在实际工程应用中通常很难得到被控对象的精确数学模型，在控制系统设计过程中所采用的模型常常是在一定程度上的经过近似化处理的数学模型。

In particular, such calculators eliminate the need for candidates to learn and be examined on certain mathematical methods of approximation.

自己心情差的原因也有可能是因为自己前面几个月一直叫着说我要改我要变我要把自己变得更好可是几个月下来了自己却感觉不到改变我不要这样，我不要限制在自己的界限里面

An efficient solution method for structural optimization is proposed by coordinated use of mathematical transformation, two-level approximation concepts and dual theory.

利用包络函数、二级近似概念和对偶理论，提出了一种结构优化的有效解法。

Based on the properties of miniature PSA oxygen production and a linear driving force approximation, a mathematical model for PSA processes of a Special Miniature Oxygen Concentrator is developed in this paper. The boundary and initial conditions for the model are analyzed and determined, and the finite difference method is applied to solve the partial differential equations.

基于微型变压吸附氧氮分离过程的特点和线性推动力模型，建立了描述该过程的数学模型，给出了求解的边界条件和初始条件，采用有限差分法对模型进行了求解。

Based on the properties of miniature PSA oxygen production and a linear driving force approximation,a mathematical model for PSA processes of a Special Miniature Oxygen Concentrator is developed in this paper.

所建立的数学模型可以较为准确地模拟微型变压吸附条件下的氧氮分离过程，为深入研究SARS患者专用PSA制氧机及其吸附器结构优化打下了基础

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。