这次上传的代码是关于特征提取的主要算法之一：ica，其比pca要好-this code is uploaded on the main feature extraction algorithm : ica, better than the PCA

FastICA算法，又称固定点(Fixed-Point)算法，该算法采用了定点迭代的优化算法，使得收敛更加快速、稳健。-FastICA algorithm, also known as fixed-point (Fixed-Point) algorithm, which uses fixed-point iteration of the optimization algorithm, making convergence more rapid, and robust.

fastica算法的基本原理介绍，以及算法实现的具体参考步骤-fastica algorithm introduces the basic principles and steps of the algorithm to achieve the specific reference

模拟fastICA算法，3个源信号输入，对此进行盲源分离，初学者可以多了解-FastICA simulation algorithm, three source signal input, conduct a blind source separation, beginners can learn more about