算法每步合并两个簇，使有效性函数值增加最大或减小最少。
We choose at each step the merging of clusters that results in the greatest increase (or smallest decrease) of clustering validity index.
该算法通过引入聚类有效性函数，实现了最优特征数目的自动确定。
The optimal feature number is decided automatically by the introduced cluster validity function.
同时，算法可以在训练过程中通过有效性函数自适应地确定最佳聚类数目。
Further more, this method can determine the best clustering number using the validity function in training progress.
通过三组数据对这个聚类有效性函数的判决功能和鲁棒性进行了对比研究。
Experimental results show the effectiveness and robustness of this cluster validity function by three data sets.
实验结果表明，本文所改进的算法是可行的，其有效性函数也有良好的分类性能。
Experiments proved that the modified algorithms were feasible and its validity function had good classification property.
结果当模糊聚类数为5 ~6时，模糊聚类有效性函数最小，图像处理的效果达到最佳水平。
Results: When fuzzy clustering number for 5-6 and fuzzy clustering validity achieved a minimum level of image processing with the best effect.
为解决聚类数未知条件下面状地理实体的聚类问题，文中提出了一种基于聚类有效性函数的聚类方法。
A cluster validity function-based method is proposed for solving the problem of clustering for area geographical entities when the number of cluster is unknown.
这个版本对数据进行缓存而不是重新加载，很大程度上改善了函数的有效性，但这会需要更多的维护费用。
This version greatly improved the efficiency of the function, by caching data rather than reloading it, but it did so at the expense of maintainability.
您可以使用 access_ok函数在您想要访问的用户空间检查指针的有效性。
You use the access_ok function to check the validity of the pointer in user space that you intend to access.
寻找一个数据库选项或搜索函数选项，以允许您的查询直接从索引检索结果并避免任何种类的结果有效性过滤。
Look for a database option or search-function option that allows your search to retrieve its results directly from the indexes and that avoids any kind of validation-filtering of the results.
对这个函数的有效性规则做了几项修改。
这个是设计的一组内联函数中的一个目的是提供类型转换和在性能上使用最小的影响执行有效性检查。
This is one of a set of inline functions designed to provide type conversions and perform validity checks with minimal impact on performance.
这种情况下需要强制类型转换函数（如 $elem castas xs:integer）来保持查询的有效性。
In this case, casting functions (like $elem cast as xs:integer) are needed to keep the queries working.
在此基础上提出了基于样本评价组合有效性的综合模型，并根据生产函数理论讨论了这一模型的意义。
Then the author offers a synthetical model based on sample evaluation combination efficiency and discusses the meaning of this model according to produce function theory.
本文进一步证明了“二维序贯均匀等距设计”对跳比单调函数类的有效性。
In this paper, the validity of sequential uniform design for monotone function by rate jump was point out.
函数优化和背包问题实验验证了PEA的有效性。
The function optimization and knapsack problem show the effectiveness of PEA.
在现场地质调查的基础上，对节理开度的概率分布函数进行了拟合，并进行了假设分布的有效性检验。
On the basis of field geology survey, the probability distribution function of joint aperture is fitted and the availability of the fitting is verified.
可靠性应重新定义为一个关于应用复杂度，测试有效性和操作环境的函数。
Software reliability should be redefined as a function of application complexity, test effectiveness, and operating environment.
两个测试函数和FIR数字滤波器设计的实验结果说明这种改进的有效性。
Experimental results of two testing functions and a FIR digital filter design show the validity of the improvement on fitness evaluation.
为了简化计算，选择正交函数作为基函数，并以油藏开发仿真为例，验证了模型和算法的有效性。
In order to simplify the algorithm, orthogonal functions are selected as base functions, and the effectiveness of the model and the algorithm is proved by simulation of oil reservoir exploitation.
最后，文章结合实际案例，分析了风险目标函数及最优化模型在实际应用中的有效性。
In the end, the paper elaborates the effectiveness of the risk goal function and the optimization model in the application research with a practical example.
在模糊聚类算法的基础上，提出了一个衡量聚类有效性的函数，以确定模糊规则的数目。
A function for measuring clustering validity based on the fuzzy clustering algorithm is defined with which the number of fuzzy rules can be determined.
体现了基于阈值逻辑门综合布尔函数的有效性和优越性。
Then the validity and superiority of the method of realization Boolean functions by threshold logic gates is displayed.
过程的动态特性用传递函数加纯滞后描述，用频域法分析了算法的稳定性，并给出了鲁棒稳定界，仿真验证了算法的有效性。
The stability of the algorithm is analyzed by method in frequency domain, and the stable boundary of robustness is given. The effectiveness of this algorithm is verified by simulation.
本文从函数逼近的观点研究了边界配置法解的有效性及收敛性。
In the present paper the convergence and validity of the results of boundary collocation procedure are studied by considering function approximation.
给出了算法设计实施中关键问题的处理，分析了算法的效率，并通过函数优化和服装设计问题的仿真实验验证变异策略和算法的有效性。
The efficiency of the proposed algorithm was analyzed. The simulation of function optimization and fashion design indicates the mutation strategy and the algorithm is effective.
在对所提算法有效性的测试中，量子组合优化算法无论对函数优化还是旅行商问题，都取得了较好的效果。
In testing the effectiveness of the proposed method, the quantum algorithm for combinatorial optimization both for function optimization problem or a traveling salesman, had achieved good results.
在对所提算法有效性的测试中，量子组合优化算法无论对函数优化还是旅行商问题，都取得了较好的效果。
In testing the effectiveness of the proposed method, the quantum algorithm for combinatorial optimization both for function optimization problem or a traveling salesman, had achieved good results.
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