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基于梯形模糊数的模糊最小一乘回归模型 被引量:4

Fuzzy least absolute regression model with trapezoidal fuzzy numbers
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摘要 本文给出一种梯形模糊数的距离,并基于这种距离,建立了关于梯形模糊数的模糊最小一乘回归模型.针对输入、输出和回归系数分别为实数和梯形模糊数的三种情形,进行了详细的研究与分析.最后,通过3个实例验证了所提模型的有效性.数据模拟结果表明我们的方法具有较好的拟合效果. In this paper,a new kind of distance between two trapezoidal fuzzy numbers is introduced,and fuzzy least absolute regression model with trapezoidal fuzzy numbers is proposed based on this distance.Aimed at that inputs,outputs,and regression coefficients are real numbers and trapezoidal fuzzy numbers,respectively,fuzzy least absolute regression model is investigated in detail.Finally,three numerical examples are used to illustrate our model reasonable.The experimental simulation results show that our proposed model has good fitting effect.
出处 《系统工程理论与实践》 EI CSSCI CSCD 北大核心 2015年第6期1520-1527,共8页 Systems Engineering-Theory & Practice
基金 国家自然科学基金(10971243) 河北师范大学应用开发基金(L2015K01)
关键词 梯形模糊数 最小一乘 回归分析 回归系数 trapezoidal fuzzy number least absolute method regression analysis regression coefficient
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参考文献22

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二级参考文献54

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