中文说明：本算法是matlab神经网络工具箱提供的函数建立了利用GRNN和RNN分别建立各个属性及属性组合与鸢尾花种类间的识别模型。
English Description：
This algorithm is a function provided by the MATLAB neural network toolbox. GRNN and RNN are used to establish the identification model of each attribute and attribute combination and Iris species.