nnleastsquare.py 文件源码

def RBFfeatures(X, Centroids, bandwidth):
    d = norm(Centroids[0], bandwidth).pdf(X)
    d = d.reshape(-1, 1)
    for c in xrange(Centroids.shape[0] - 1):
        d = np.concatenate((d, (norm(Centroids[c + 1], bandwidth).pdf(X)).reshape(-1, 1)), 1)
    return d