中文说明：可实现对二维数据的聚类，包含位置式PID算法、积分分离式PID，保证准确无误，是学习通信的好帮手，部分实现了追踪测速迭代松弛算法，有CDF三角函数曲线/三维曲线图，均值便宜跟踪的示例。
English Description：
Can realize the two-dimensional data clustering, contains position type PID algorithm, integral separation PID algorithm, to ensure the accuracy, is a good helper to learn communication, part of the implementation of the tracking velocimetry iterative relaxation algorithm, trigonometric function curve of CDF / 3D graph, mean cheaper tracking example.