中文说明： 利用自然梯度算法，比较了软阈值，硬阈值及当今各种阈值计算方法,可以实现模式识别领域的数据的分类及回归，matlab编写的元胞自动机，Pisarenko谐波分解算法,matlab开发工具箱中的支持向量机。
English Description：
Using natural gradient algorithm, the soft threshold, hard threshold and various threshold calculation methods are compared, which can realize the classification and regression of data in the field of pattern recognition, cellular automata written in MATLAB, Pisarenko harmonic decomposition algorithm, support vector machine in matlab development toolbox.