中文说明：是机器学习的例程，Relief计算分类权重，独立成分分析算法降低原始数据噪声，通过matlab代码，利用自然梯度算法，计算晶粒的生长，入门级别程序。
English Description：
Machine learning routines, Relief calculate the weight of independent component analysis algorithm to reduce the noise in the raw data through the MATLAB code, based on natural gradient algorithm, calculation of grain growth and entry level programs.