局部极小点,local minimizer英语短句,例句大全

局部极小点,local minimizer
1)local minimizer局部极小点
1.However, due to the existence of multiple local minimiz-ers that differ from the global solution, we have to face two difficulties: how to jump from a local minimizer to a smaller one and how to judge that the current minimizer is a global one.由于问题本身存在多个不同的局部极小点,在求解过程中面临两个困难:如何跳出当前局部极小点得到函数值更小的局部极小点和如何判断当前的极小点是全局极小点,因此无法直接用传统的非线性规划方法来解决。

英文短句/例句

1.A stationary point which is neither a local maximum nor a local minimum point is called a saddle point.一个既不是局部极大点又不是局部极小点的平稳点称为一个鞍点。
2.A New Research on Escaping from Local Minima in Back-Propagation Algorithm;BP神经网络中一种逃离局部极小点的方法研究
3.Some Methods for Local Minimum of Nonlinear Integer Programming几种求解非线性整数规划的局部极小点的算法
4.AN EXTREME MINIMUM FIXED POINT THEOREM FOR SET-VALUED MAPPING IN THE LOCAL CONVEX SPACE局部凸空间中集值映射的一个极小不动点定理
5.The Compact Minimal Submanifolds in Locally Symmetric Space;关于局部对称空间中的紧致极小子流形
6.Complete Minimal Submanifolds immersed in a Locauy Symmetric Riemannian Manifold;极小浸入在局部对称黎曼流形中的完备子流形
7.Solving Local Minimum Problems in LGB Arithmetic by Analog Anneal;用模拟退火法解决LBG算法陷入局部极小的问题
8.Sectional Curvature of Compact Minimal Submanifolds of Locally Symmetric Manifolds;局部对称空间中的紧致极小子流形的截面曲率
9.Homotopy method for getting a local minimum of unconstrained non-convex programming同伦方法求解无约束非凸优化问题的局部极小
10.Ricci Curvature of Compact Minimal Submanifolds in Locally Symmetric Space局部对称空间中的紧致极小子流形的Ricci曲率
11.A Local Boundedness Preparation Theorem of a Certain Functional Minimizer on Newton SpacesNewton空间中某类泛函极小的局部有界性预备定理
12.Research on Redistribution of Mini Primary Schools and the Teachers in Rural Area of China;中西部农村小学布局调整及教学点师资调查
13.The weighted least squares collocation method of RBF local interpolation径向基函数局部插值的加权最小二乘配点法
14.Therefore, an algorithm of PD signal reconstruction based on modulus maximum wavelet domain is presented in this paper.为此,该文提出一种基于模极大值小波域的局部放电信号重构算法。
15.Estimation of the Length of the Second Fundamental from for Complete Minimal Submanifold in Locally Symmetric Spaces;局部对称空间中完备极小子流形的第二基本形式长度估计
16.A Pinching Theorem of Ricci Curvature for Minimal Submanifolds of Locally Symmetric Space关于局部对称空间中极小子流形的一个Ricci曲率pinching定理
17.The Compact Minimal Submanifolds in Locally Symmetric Space局部对称黎曼流形中的紧致极小子流形的Ricci曲率
18.The Weighted Least Squares Collocation Meshless Method of RBF Local Interpolation and Preliminary Study of Finite Point Difference Method;局部径向插值型最小二乘配点无网格法和有限点差分法初探

相关短句/例句

local minimum point局部极小点
1.A novel global optimization training algorithm was constructed for the feed-forward neural networks to which the BP algorithm is easy to fall into the local minimum point for improper choice of initial weights.针对前向神经网络BP算法由于初始权值选择不当而陷入局部极小点这一缺陷,提出新的全局优化训练算法。
3)local minimum局部极小点
1.The training process of Back Propagation Neural Network (BPNN) is easily converged at a local minimum, which slows the training process sharply.但在ＢＰ网络的训练过程中 ,如何跳出局部极小点是一个难点 ,对此前人已有一些研究成果 ,其中包括改进的梯度下降搜索法 (ｇｒａｄｉｅｎｔｄｅｓｃｅｎｄｒｅｓｅａｒｃｈ ,ＧＤＲ) [5] 、模拟退火法 (ｓｉｍｕｌａｔｅｄａｎｎｅａｌｉｎｇ ,ＳＡ) [6]和ＥＧＡ算法 (ｅｘｔｅｎｄｅｄｇｅｎｅｔｉｃａｌｇｏｒｉｔｈｍ)等[7,8] 。
2.The advantages of applying simulated annealing algorithm to short-term load forecast include less model complexity,high forecasting accuracy and global optimal property,which alleviate the tendency of traditional BP algorithm to be trapped in local minimum.将模拟退火算法应用于短期负荷预测领域,其特点是模型简单、运算效率高,并具有较好的全局最优性能,从而很好地克服了传统BP算法容易陷入局部极小点的缺陷。
3.Then some defects such as slow convergence rate and getting into local minimum in BP algorithm are pointed out,and the root of the defects is presented.分析了BP算法的基本原理,指出了BP算法具有收敛速度慢、易陷入局部极小点等缺陷以及这些缺陷产生的根源。
4)escape from the local minima逃离局部极小点
1.With the purpose of solving the local minima of standard Back-Propagation(BP) algorithm,a modified error function was proposed to escape from the local minima and converge to the global minima.对扩展的异或问题正弦函数模拟进行了仿真实验,结果对比表明,改进的BP算法能快速逃离局部极小点,收敛到全局最小点,达到了期望的效果。
5)local maximal point and minimal point局部极点
6)local minimum局部极小
1.Homotopy method for getting a local minimum of unconstrained non-convex programming同伦方法求解无约束非凸优化问题的局部极小
2.It is emphazised that the local minimum problem caused by null resultant force or U shape obstacle is studied.针对自治式水下潜器(AUV)局部路径规划问题,基于虚拟势场理论研究,提出了虚拟力概念,并设计了一种改进型虚拟势场局部规划算法,解决了经典虚拟势场能算法中存在的零合力与U型障碍的局部极小问题:当AUV陷入局部极小时通过调用相应的逃避算法来摆脱局部极点。
3.In this paper, we study several models of Hopfield neural network to overcome the difficulties of the invalid solution and local minimum in solving the Travelling Saleman Problem(TSP).针对Ｈｏｐｆｉｅｌｄ神经网络在求解巡回推销员问题（ＴＳＰ）时出现的无效解和局部极小值问题，本文结合网络动态分析，利用权矩阵特征值在网络内部动力特性与外在解表现形式之间的关联作用，通过各特征值间关系协调，对基于原模型的权值修正方案作进一步理论分析与改进，探讨网络收敛于全局有效解的途径，并在全国３１省、市、自治区ＴＳＰ模拟中收到较好效果。