中文说明：用matlab实现GRNN和PNN对鸢尾花的分类问题，包括源代码，数据，以及保存好的神经网络，两个网络实现在同一个文件里
English Description：
Using MATLAB to realize GRNN and PNN classification of iris, including source code, data, and saved neural network, the two networks are implemented in the same file