用BP算法实现函数 逼近。 说明：1）网络结构为三层（输入层、1个隐层和输出层） 2）获取两组数据，一组作为训练集，一组作为测试集 3）用训练集训练网络 4）用测试集检验训练结果 -With BP algorithm function approximation. Descr iption: 1) The network structure of the three-layer (input layer, a hidden layer and output laye

matlab数据归一化,极值法/方差法/BP网络/神经网络-matlab data normalization, extreme law/variance method/BP Network/Neural Networks

用BP神经网络实现对6维二进制数据的识别和分类，判断其是否为对称模式。-Using BP networks to achieve the identification and classification of six-dimensional binary data, and determining whether it is symmetric mode