mutual1

funny factorial and description

Matlab code for Penny shaped crack

fibonacci for find roots

this is some script files and functions that introduce finite element method to start

几个比较经典的算法，用来解决最短路径问题(to solve the min-distance problem)

大滞后PID大林控制算法MATLAB程序(lag Dalin PID control algorithm MATLAB)

matlab code for cohernt communication systems in analog communications.

single degree of freedom numerical integration for structural dynamics

PRML书本代码，PRML是一本机器学习经典教材，这里给出这本教材相应的代码。(Pattern recognition has its origins in engineering, whereas machine learning grew out of computer science. )

说明：  基于PID控制的永磁同步直线电机速度控制系统，输出速度能够较好的跟踪输入信号，控制效果比较理想(The speed control system of permanent magnet synchronous linear motor based on PID control can track the input signal better, and the control effect is ideal.)