They can also span for the lifetime of a program as run units and are reset to their initial value on each program or method entry. 它们也可以作为运行单元跨越程序的生命周期,并针对每个程序或方法条目重设初始值。
A given initial value using the method of BP neural network method take analog circuit fault diagnosis. 提出了采用赋初值BP神经网络的方法,进行模拟电路故障的诊断;
The proposed algorithm overcomes the difficulty in choosing initial value for line search method, with higher success rate under the same calculation accuracy. 提出的混合算法克服了使用线性搜索方法难以确定初始解的问题,在同等计算精度和耗时情况下,该方法求解成功率较高。
The traditional raytracing methods comprise the try-shooting method of the initial value problem and the bending method of the border value problem. 传统的射线追踪方法包括初值问题的试射法和边值问题的弯曲法。
To solve the instability and the initial value sensitivity problems in the classical recurrence method, according to the general principle of motion, a new kind of recurrence method is proposed, and applied to the area of climate prediction. 针对经典递推算法的平稳性和初值敏感性问题,根据描述运动变化的一般性原理,导出一种新的递推算法,并将其引入到气候预报中。
This paper puts forward a suit of initial value determinate method of separated periodic to go on nonlinear fitting for this type of autocorrelation function. 本文提出一套分周期的初值确定方法以对该类自相关函数进行非线性拟合。
Uniform Design Method for Initial Value Selection in Parameter Determination by Probability-Integral Method 概率积分法求参初值选取的均匀设计方法
Simple Method of Determining the Initial Value in Secondary Exponential Smoothing Method 二次指数平滑法中确定初始值的简便方法
In chapter 4, we considers the problem numerical solution of differential equation in fuzzy initial value condition, set up a method of fuzzy simulation. 第四章运用模糊的扩展运算,给出了一阶微分方程组(常系数或变系数,线性或非线性)当其初始状态具有模糊不确定性时,用模糊仿真原理求数值解的方法。
Initial value problem iterative method for first-order implicit different equation 一阶隐式微分方程初值问题迭代法
According to the problem characteristics, it is solved by hybrid evolutionary algorithm in which conventional local-search optimization technique and GA are combined, and the negative effect of initial value given for optimization result in heuristic method is avoided. 根据模型的特点,采用了混合遗传算法进行求解,将局部搜索算法的快速性与遗传算法的全局收敛性有机地结合起来,有效避免了因初始值不同对优化结果造成的不利影响。
The Problem of Selection of Initial Value and Multi-step of the Method of Penalty Function Multiplier 罚函数乘子的初值选取和多步长问题
An Initial Value Resolving Method of Non-linear Transient Process of Automatic Regulating System 自动调节系统非线性过渡过程的初值解法
Fuzzy initial value problem based on R-K-F method 基于R-K-F方法的模糊初值问题
First, the influences of lignin base emulsifier and four additives on surface tension were observed by orthogonal test. Then, the best parameter value of orthogonal test was selected as the initial value of the improved simplex method optimizing continuously. 首先用正交试验考察了木素基乳化剂和四种添加剂对表面张力的影响,然后选取正交试验的最佳参数值作为单纯形法的初始值继续优化。
The Solution ot Initial Value in Structural Graph Method in Digital Simulation 结构图法数字仿真中初值的确定
It also provides a better initial value for Runge-Kutta iteration method and accelerates the convergence of the algorithm. 并且为Runge-Kutta迭代方法提供了一个较好的初值,加快了算法的收敛。
Based on the research of orbit determination by using two GPS satellites, this paper discusses the initial value problem and provides an effective method of getting initial value. 研究了用两颗全球定位系统(GPS)卫星粗略确定低轨卫星轨道的问题,并着重讨论了其中的初值问题,给出了一种有效的初值方法。
In this paper, we derivative some principles of how to get the right initial value of this key parameters, then based on these initial value, we use a optimal method to get their optimal values. 但是,此方法的互推精度取决于关键参数的选择,本文分析推导出一些重要参数的选取原则,并基于这些原则获得的参数初值采用了一种自适应优化算法来获得最优参数。
By statistical analysis of SAR target chip image for choosing the initial value of the segmentation method, the efficiency of the algorithm is improved greatly. 通过对SAR目标切片图像进行统计分析,精确选择了分割算法的迭代初值,极大提高了算法的计算效率。
The polynomial approximation method is proposed to obtain initial value of filter, and this approximation method can be used to realize scanning trajectory estimation. 滤波计算中的初值选取所用的多项式拟合方法,可以进行扫描型弹道重构的实现,但精度不高。
The author enters into particulars of a method for choosing initial value of iteration-quadratic regression method& employed in establishing the above-mentioned formulae by the use of Taylor's expansion method. 并祥细介绍了在用泰勒展开法建立上述近似公式的过程中所使用的一个选取迭代初值的方法&两次回归法。
Allocate the initial profits by Shapley value method and carry out factor correction. 利润利用沙普利值法求初始分配值,并且进行因子修正。
The design of control law and navigation law began with initial value calculation through the design method of linear quadratic regulator, and then determined the final value by tuning. 导航律和控制律的设计主要通过线性二次型最优调节器的设计方法进行初值计算,然后通过调节确定。
For the calculation of telegraph equation, we use barycentric rational interpolation collocation method. For the nodes of time domain and space domain, we approximate the unknown functions with rational interpolation. And we discrete the initial boundary value conditions with the same method. 对于电报方程的求解,我们采用重心有理插值配点法,对时间域和空间域上的节点均采用重心有理插值来近似未知函数,将初边值条件也进行相同的离散。
In this approach, we use genetic algorithm to find the optimal solution, its initial value is obtained by method one. 利用遗传算法来寻找最优解,其初值为算法一的解。
The genetic algorithm was used for global optimization, then the optimal parameter was used as initial value for pattern search method to optimize locally. 首先利用遗传算法强大的全局优化能力进行优化,并将优化结果作为模式搜索的初值,利用模式搜索强大的局部搜索能力进行优化。
For this reason, this paper designed two kinds of improved algorithm. Main work has been done as follows: 1. Aiming at sensitive to initial value, initial value optimization method is used for clustering. 为此,本文提出并设计了两类改进算法,主要工作内容如下:1.针对初值选择依赖性的不足,采用初值优化方法完成聚类。
Finally, a more precise image transformation matrix was given to obtain the optimal results, initial value. The method proposed in this paper improved the registration accuracy and speed. 最后给出较为精确的图像间变换矩阵初值,获取最优结果,提高了配准精度与速度并通过图像的融合来主观评价配准区域提取的精度,利用均方根误差和相关系数进行配准的客观评价。
Consequently, people often solve partial differential equations with initial and boundary value conditions by numerical method, and a lot of numerical examples demonstrate that using the numerical method can obtain the numerical solutions which meets the engineering requirements. 因此人们一般选择数值方法求解偏微分方程的初边值问题,并且大量的算例表明采用数值方法能够得到满足工程要求的数值解。