本程序采用自己编写的一个三层BP神经网络来训练一个葡萄酒分类模型，数据放在data.dat中，包含178个13维的葡萄酒数据样本，取其中的138个样本作为训练样本，40个样本作为测试样本-The program uses I have written a three BP neural network to train a wine classification model, data on data.dat the wine contains 13 178 data samples dimension, take one of the 138 samples as training samples, 40 samples As a test sample