七个RBF神经网络的源代码:基于梯度法、OLS

、聚类、k均值聚类、函数逼近的RBF 网设计算法，及预测模型

-Seven RBF neural network source code: gradient-based method, OLS, clustering, k-means clustering, function approximation of the RBF network design algorithms, and predictive models