部分实现了追踪测速迭代松弛算法，最小均方误差等算法的MSE的计算,包括最小二乘法、SVM、神经网络、1_k近邻法。- Partially achieved tracking speed iterative relaxation algorithm, Minimum mean square error MSE calculation algorithm, Including the least squares method, the SVM, neural networks, 1 _k neigh