介绍了由V. Zarzoso and P. Comon提出的一种新的基于峭度的独立成分分析算法RobustICA(Robust Independent Component Analysis),并比较了和FastICA在收敛性和信号质量方面的不同。该算法的主要优点在于可以选取最佳步长,可以选取任何...介绍了由V. Zarzoso and P. Comon提出的一种新的基于峭度的独立成分分析算法RobustICA(Robust Independent Component Analysis),并比较了和FastICA在收敛性和信号质量方面的不同。该算法的主要优点在于可以选取最佳步长,可以选取任何不为零的独立成分,并且解决盲分离信号排序问题,同时提升当信号存在坏点和伪局部极值点时的鲁棒性。仿真实验结果表明了该算法相对于FastICA算法减少了迭代次数和加快了收敛速度,同时在小样本空间下均方误差SMSE也明显优于FastICA算法。展开更多
This paper proposes to present an overview of determining factors of the granting of loan to Small and Medium Size Enterprises(SMSE)by the subsidiaries of multinational banks in Cameroon.The analysis of the data colle...This paper proposes to present an overview of determining factors of the granting of loan to Small and Medium Size Enterprises(SMSE)by the subsidiaries of multinational banks in Cameroon.The analysis of the data collected following interviews with banking employees conducted in accordance with the method of thematic content analysis reveals that two categories of factors play a major role in the decision of the banker:parameters relating to the characteristics of the SMSE applying for a loan and elements specific to the context of study.The combination of these factors contributes to the reinforcement of the already transactional attitude of these subsidiary banks in the area of experimentation of the study.展开更多
文摘介绍了由V. Zarzoso and P. Comon提出的一种新的基于峭度的独立成分分析算法RobustICA(Robust Independent Component Analysis),并比较了和FastICA在收敛性和信号质量方面的不同。该算法的主要优点在于可以选取最佳步长,可以选取任何不为零的独立成分,并且解决盲分离信号排序问题,同时提升当信号存在坏点和伪局部极值点时的鲁棒性。仿真实验结果表明了该算法相对于FastICA算法减少了迭代次数和加快了收敛速度,同时在小样本空间下均方误差SMSE也明显优于FastICA算法。
文摘This paper proposes to present an overview of determining factors of the granting of loan to Small and Medium Size Enterprises(SMSE)by the subsidiaries of multinational banks in Cameroon.The analysis of the data collected following interviews with banking employees conducted in accordance with the method of thematic content analysis reveals that two categories of factors play a major role in the decision of the banker:parameters relating to the characteristics of the SMSE applying for a loan and elements specific to the context of study.The combination of these factors contributes to the reinforcement of the already transactional attitude of these subsidiary banks in the area of experimentation of the study.