matlab实现了五类灰色关联度模型的计算,包括随机梯度算法，相对梯度算法，包括最小二乘法、SVM、神经网络、1_k近邻法。- matlab implements five gray correlation degree computing model, Including stochastic gradient algorithm, the relative gradient algorithm, Including the least squares method, the SVM, neural networks, 1 _k neighbor method.