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基于簇内不平衡度量的粗糙means 聚类算法
簇内不平衡度量 粗糙集 粗糙 means 聚类
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2014/2/27
粗糙??-means 聚类算法是一种有效的处理聚类边界模糊问题的算法, 但大多数算法对簇的下近似集和边界中的对象使用统一的权值, 忽略了簇内对象之间的差异性. 针对这一问题提出一种新的改进算法, 通过对簇内的每个对象加入簇内不平衡度量, 以区分不同对象对簇的贡献程度, 使得聚类结果簇内更紧凑、簇间更疏远. 不同数据集的仿真实验结果表明, 所提出算法可以有效提高聚类结果的精度.
Approximate Solutions of Primary Resonance for Forced Duffing Equation by Means of the Homotopy Analysis Method
homotopy analysis method(HAM) series solution
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2011/8/4
Nonlinear dynamic equation is a common engineering model. There is not precise analytical solution for most of nonlinear differential equations. These nonlinear differential equations should be solved...
Approximate Solutions of Primary Resonance for Forced Duffing Equation by Means of the Homotopy Analysis Method
homotopy analysis method(HAM) series solution forced Duffing equation
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2011/8/4
Nonlinear dynamic equation is a common engineering model. There is not precise analytical solution for most of nonlinear differential equations. These nonlinear differential equations should be solved...