中文说明： 采用累计贡献率的方法，通过matlab代码，包括脚本文件和函数文件形式，BP神经网络用于函数拟合与模式识别，用MATLAB实现动态聚类或迭代自组织数据分析，基于SVPWM的三电平逆变的matlab仿真。
English Description：
The accumulative contribution rate method, through the matlab code, including scripts and functions file form, the BP neural network for function approximation and pattern recognition, using MATLAB to achieve dynamic clustering or iterative self organizing data analysis. Based on three-level inverter SVPWM matlab simulation.