拟合洛伦兹曲线分析收入分配制度

摘要

利用Matlab和给定的数据对洛伦兹曲线模型进行拟合来确定模型中的参数。通过对已有模型的分析及其中的系数进行扰动处理，建立新的L（ p）模型。采用Lingo软件求出所建新模型的均方误（MSE）、平均绝对误差（MAE）以及最大绝对误差（MAS），并且与原模型进行比较，从而证明所建新模型的优点。%this paper, we determine the parameters of the Lorenz curve by using Matlab and the given data to fit Lorenz curve.And we create a new model L(p)through the analysis of the original one, in which the co-efficients are treated by perturbation.Then,the new model’s the mean square error (MSE), mean absolute error ( MAE) ,and the maximum absolute error ( MAS) are calculated by the Lingo software, and thus the ad-vantages of the new model compared with the original model are proved.