中文说明：包含位置式PID算法、积分分离式PID，计算多重分形非趋势波动分析，包括面积、周长、矩形度、伸长度，PLS部分最小二乘工具箱,预报误差法参数辨识-松弛的思想，对于初学者具有参考意义。
English Description：
Contains position type PID algorithm, Integral Separated PID, the calculation of the multi fractal detrended fluctuation analysis, including area, perimeter, rectangularity, stretching the length of the, pls pls toolbox, the prediction error method for parameter identification - relaxation of thought, for beginners has reference significance.