将下载后的.m文件和.fig文件放在同一个路径下，运行，填写好输入输出节点数。就可以得到初始隐含层神经元的节点数。-And will download. After m file. FIG file on the same path, running, fill out the number of input and output nodes. You can get the initial number of nodes in the hidden layer neurons.