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global minimum     
相关语句
  全局最小值
     Analysis of Global Minimum Cost Function for Feedforward Neural Networks
     前馈神经网络的代价函数全局最小值分析
短句来源
     However,since these approaches take no account of complexity control and have no guarantee of global minimum,they often suffer from unstable performance.
     但是由于这些方法不考虑复杂度的控制以及不能保证全局最小值,所以它们的性能不稳定.
短句来源
     How to alleviate the sensitivity of active contour models to their initial curves and how to keep convergent to the global minimum during the iterative procedure of energy minimization are difficult problems for solving the active contour models.
     在主动轮廓模型Snake的研究与应用中,如何降低Snake对初始轮廓的敏感性以及如何保证能量极小化过程收敛到全局最小值,是两个极其重要的问题。
短句来源
     A new hybrid interval partical swarm optimization is presented in this parper. The arithmetic includes two parts. Firstly,we apply interval arithmetic to delete a majority of search space which don't include global minimum.
     提出了一种新的混合区间粒子群算法,该算法包含两部分,首先应用区间优化算法删除大部分不含有全局最小点的搜索区间,其次在剩余的搜索空间产生粒子群算法的初始种群,应用粒子群算法和区间算法共同解得全局最小值
短句来源
     In most cases, these circuit structures may avoid some local minima and find a global minimum.
     许多情况下,该电路可以避免一些局部最小值,而找到一个全局最小值
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  全局极小
     The r-convex functions are relatively large which are not continuous anywhere. Nevertheless,a local minimum of a r-convex function is always a global minimum.
     r-凸函数是较凸函数更大的一类凸函数,有些r-凸出数是处处不连续的,且r-凸函数保持凸函数一些优良特性,r-凸函数的局部极小总是全局极小
短句来源
     3. KKT second order sufficiency condition of the primal constrained nonlinear programming problem holds at its any global minimum, we establish the global exact penalty property, i.e. the set of global minima of the primal constrained nonlinear programming problem is identical to the set of global minima of the l1 exact penalty problem.
     3.原约束非线性规划问题在其任何全局极小点处都满足KKT二阶充分条件的假设下,我们给出了l_1精确罚函数的全局精确罚性质,即当罚参数充分大时,原约束非线性规划问题的全局极小点集与l_1罚问题的全局极小点集相同。
短句来源
     When deformable models are used to extract brain contour from head MRI T2 images ,local minimums largely affect the algorithm's converging to the global minimum.
     在提取人头部磁共振图像T2加权像的横断面的脑轮廓时,因为在图像内部存在许多的局部极小值,严重的影响了算法向全局极小收敛。
短句来源
     This algorithm can not only keep the merits of the original EM, but also facilitate the results converge o the global minimum.
     该算法既保持了原EM算法的优点,又有利于训练结果收敛到全局极小.
短句来源
     Global Minimum of Mutational Deterioration of Genetic Code
     遗传密码突变危险性的全局极小
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  全局最优
     The spectral-estimation matrix is formed from the projection matrix to estimate the direction of arrival and unknown error's parameters simultaneously,and the simulation annealing is utilized to guarantee that algorithm converges to the global minimum.
     对在模型失配的情况下,利用投影矩阵所形成的谱估计矩阵,同时对信号的到达方向及未知的模型误差参数进行估计,并利用退火模拟算法保证算法能收敛于全局最优解。
短句来源
     One point of the initial multi-form is replaced with the local minimum gotten by the new ant colony algorithm using the substitution rule based on the minimum hamming distance and the complex method is apt to find the global minimum safety factor.
     另外复合形法对于不同的初始复合形也会得到不同的最小安全系数 ,利用本文提出的基于最小海明距离的替换准则将蚁群算法得到的局部最优解替换掉初始复形中的一个顶点 ,则复合形法容易找到全局最优 ,成为一种全局搜索能力很强的优化算法。
短句来源
     It can help the gradient method to skip the local optimum and achieve the global minimum.
     该算法能帮助梯度法跳出局部最优,获得全局最优解,并对算法的收敛性进行了证明。
短句来源
     Utilizing the equivalent Problem(Q) of problem(P) and linearization technique,relaxed linear programming(RLP) about problem(Q) is established,through the successive refinement of the linear relaxation of the feasible region of the objection function and the solutions of a series of(RLP),and from theory the proof which the proposed algorithm is convergent to the global minimum is gived.
     利用问题(P)的等价问题(Q)和线性化技术,建立了问题(Q)的松弛线性规划(RLP),通过对(RLP)可行域的细分以及一系列(RLP)的求解过程,从理论上证明了算法收敛到问题(P)的全局最优解.
短句来源
     By utilizing the equivalent Problem(Q) of problem(P) and linear relaxation technique,a relaxation linear programming(RLP) problem about problem(P) is established,through the successive refinement of the linear relaxation of the feasible region of the objection function and the solutions of a series of relaxation linear programming(RLP),and from theory the proof which the proposed branch and bound algorithm is convergent to the global minimum is gived.
     通过利用问题(P)的等价问题(Q)和线性松弛技术,建立了问题(Q)的松弛线性规划(RLP),通过对(RLP)可行域的细分以及一系列(RLP)的求解过程,从理论上证明了算法收敛到问题(P)的全局最优解.
短句来源
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  全局极小值
     Based on the merit of computing global minimum with homotopy continuation method in [6], a posterior regularized homotopy continuation method is presented in this thesis. Regularized parameter in the iteration is decided by Morozov discrepancy principle.
     基于[6]中的正则化同伦连续方法计算全局极小值的优点,本文在该文结果的基础上引入Morozov偏差原理计算迭代过程中的正则化参数,提出了带有后验参数的正则化同伦连续方法。
短句来源
     It is shown that this algorithm ensures convergence to a global minimum with probability 1in a compact region of a weight vector space.
     关于算法分析的定理证明了这种混合算法对于紧致集内的权向量构成的任意连续函数能依概率1收敛于全局极小值
短句来源
     Some new properties of(F,ρ)-invexity functions on the basis of the former researches are discussed,some of the established conclusion are expanded. A sufficient condition to verify the unique ness of global minimum about function f(x) is gotten.
     在前人工作的基础上继续探讨(F,ρ)不变凸性函数的一些新特征,推广了以前的部分结论,并得出了函数f(x)的全局极小值点唯一的1个充分条件.
短句来源
     The unconstrained optimization mathematical model is established for assessing roundness errors by the minimum zone method with the radial measurement approach. The properties of the objective function concerned are thoroughly researched into. On the basis of the modern theory on the convex function,it is strictly proved that the established roundness objective function is a continuous and non-differentiable and convex function defined on the two-dimensional Euclidean space R2.Therefore,the global minimum value of the objective function is unique.
     建立了基于半径测量法的圆度误差最小区域评定法无约束最优化数学模型,对目标函数的特性进行了深入研究,基于现代凸函数理论严格地证明了所建立的目标函数是二维欧式空间R2中的连续、不可微的凸函数,因而它的全局极小值是唯一的。
短句来源

 

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  global minimum
Sufficient conditions of the penalty function attaining a global minimum are obtained.
      
Scanning the potential energy surface (PES) of the com plex showed that its structure corresponds to a local minimum, whereas the global minimum corresponds to the free fragments.
      
The parameters of the initial mass function (IMF) and the age corresponding to the global minimum of the deviation functional are strongly correlated with the IMF and age of the test model.
      
The region of the global minimum of the reliability factor is established for a ?111? oriented Si crystal with thickness z ranging within 200 >amp;lt; z >amp;lt; 250 ? at an energy of E = 100 keV.
      
The concept of a simplex is used, whose vertices correspond to a regular system of particles (minimum in number for a given space) in the state of the global minimum of the system's potential.
      
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