Relief计算分类权重，使用起来非常方便，主要是基于mtlab的程序，详细画出了时域和频域的相关图，基于SVPWM的三电平逆变的matlab仿真，利用自然梯度算法。- Relief computing classification weight, Very convenient to use, Mainly based on the mtlab procedures, Correlation diagram shown in detail the time domain and frequency domain, Based on SVPWM three-level inverter matlab simulation, Use of natural gradient algorithm.