查询词典 approximation function

This paper is devoted to the development of a new meshless method based on a new approximation of shape function.

主要工作是推导了一种基于新的形函数形式的无网格方法。由于目前的无网格方法中，紧支域的大小和形状不同直接影响整体场函数的分布，有时会造成计算结果的严重失真。

Simulations show that the proposed method is an effective approach for parameter selection and the good performance for function approximation is obtained.

仿真表明，混沌优化算法是选取SVM参数的有效方法，应用到函数逼近时具有优良的性能。

The new method is based on combining perturbation method of eigen-problems with rational approximation of a vector-value function.

提出了一种新的结合特征灵敏度直接法和向量值函数有理逼近的结构动力重分析方法。

In the end, wavelet neural network after being trained is used to approximation of function to performance good

本文提出的遗传算法利用分级染色体对小波神经网络的结构和权值进行编码，遗传算法联合进化规则来构建和训练小波神经网络，同时对网络进行进化。

C write function approximation of the example!

用C++写的函数逼近的例子！

The algorithm is applied to XOR problem and nonlinear function approximation.

为了解决神经网络的全局性学习，一些学者将遗

Nonlinear function approximation using BP neural network and RBF neural network is simulated.

最后，作了用BP网络和RBF网络逼近非线性函数的仿真研究，并作了比较。

An example of nonlinear function approximation is given to demonstrate the effectiveness of the algorithm, where some comparisons are made with other approaches.

通过对非线性函数逼近的分析，证明了该自组织算法的有效性，并与其他算法作了比较。

In the last part, we mainly introduce Prony approximation methods of exponential function.

第3部分："Z－变换的有理数值逼近"，主要介绍了Prony指数型函数逼近方法。

Use of higher roots of (8.88) in (8.85) gives approximation to excited state wave function.

将（8.88）中的高值根用于（8.85），给出激发态波函数的近似。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。