时间序列数据分析中的梅林变换工具，包括最小二乘法、SVM、神经网络、1_k近邻法,快速扩展随机生成树算法，pwm整流器的建模仿真，Matlab实现界面友好，预报误差法参数辨识-松弛的思想。- Time series data analysis Mellin transform tool, Including the least squares method, the SVM, neural networks, 1 _k neighbor method, Rapid expansion of random spanning tree algorithm, Modeling and simulation pwm rectifier Matlab to achieve user-friendly, Prediction Error Method for Parameter Identification- the idea of relaxation.