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initial approximation相关的网络例句

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

Initialization is a crucial problem in the application of multiwavelets, and the selection of initial weight affects directly the approximation performance and convergence rate of a multiwavelet neural network.

初始化问题是多子波神经网络的一个基本问题,网络初始值的选取直接影响着网络的逼近性能和收敛速度。

A theoretical analysis: of the structure and accuracy control of the initial reciprocal approximation table is described, and an economical and simple hardware scheme of the reciprocal table is put forward.

对初始近似倒数表的构成及精度控制进行了理论分析,提出了一个既省器材又处理简单的硬件倒数表方案。

It Newton iteration is used in the analysis of math value,and the simplicity formula is given to resolve(including original initial value formula and advanced approximation formula),which can be characterized by fast speed and easy remembering.

采用数值分析中的牛顿迭代法求反渐开线函数的根,并给出了符合精度要求的解算反渐开线函数的简单公式(包括原始初值公式和近似值精化公式),具有迭代收敛速度快、简单易记的优点,它们适用于[0,π/2]的全区段,免除了分段计算的烦恼,并运用VB编写计算机程序,从而实现反渐开线函数快速求根的目的。

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。

In order to ensure the consistency of the closed-loop system performances, before the AFC is applied, a supervisory controller is used to drive initial tracking errors to a preset closed area, and then the AFC can drive the tracking errors of the closed-loop system to pre-specified neighborhood in the presence of unknown approximation errors of the fuzzy logic system.

为保证系统性能的一致性,在启动自适应模糊控制器前,采用监督控制将初始跟踪误差镇定到给定范围。自适应模糊控制器可在存在模糊逻辑系统逼近误差的情况下,使系统跟踪误差小于预先给定的任意常数。

In this paper, Newton iteration formula for computing normal depth and critical depth was put forward by mathematical transformation of uniform flow equation and critical flow equation of circular section tunnel. Then, the relationship between the corresponding central angle and the introduced parameters was analyzed. An approximate formula for angle was obtained according to optimal uniform approximation principle. Using this approximate formula as initial value of iteration formula, a direct formula for calculating normal depth and critical depth of circular section tunnel was established after its first iterative.

该文通过对圆形断面均匀流方程与临界流方程的数学变换,分别得到其正常水深与临界水深的牛顿迭代公式,同时,通过对正常水深与临界水深对应的中心角与引入参数之间关系的分析及数值计算,利用最优一致逼近原理分别得到了正常水深与临界水深对应中心角的近似计算式,并以此近似计算式为初值,用迭代方程进行一次迭代得到了圆形断面均匀流水深与临界流水深的直接计算公式。

The given estimated values of variables in Newton method is a crucial problem for the final solutions, the solutions of the first order approximation of the Fourier series to land surface temperature were used to the input initial given values of the Newton numerical method.

在牛顿迭代解法中,很关键也很困难的一个问题是初始值的给定,本模型中牛顿迭代的初始值是傅立叶级数对地表温度一次逼近得到的结果。

For the better approximation of segmented regions, the Gram-Schmidt method, by which a group of orthogonal base functions is constructed from a group of linear independent initial functions, is adopted.

然后,为了有效的近似各分割区域图像,本文采用施密特正交化方法,从一组线性独立的初始函数构造一组正交基函数。

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