Matlab

离散系统的数字PID控制，可以跟踪阶跃信号、正弦信号、方波信号，根据S参数选择。(Discrete digital PID control system can track a step signal, sine, square wave signal, according to S parameters.)

定义法求杜芬方程最大Lyapunov指数(Duffing equation is defined by the Method largest Lyapunov exponent)

Fast Earth Mover s Distance similarity matrix calcutation

SPEED CONTROL OF DC MOTOR

该函数提供了一个ARMA谱估计，最大熵满足相关约束（极点数）和倒谱。 该函数需要3个输入：输入信号、分母阶数、分母阶数和输出变量分别为：分子系数、分母系数和输入噪声功率的平方根。(The function requires 3 inputs: Input signal, Order of denonominator, Order of Numerator and the output variable are: numerator coeffients, denominator coeficients and square-root of input noise power.)

说明：  用C++实现了最小二乘法，和matlab的同名函数功能 相同(Code to dispaly how to implement lsqlin function in C++)

基于改进的粒子群算法，可以用来求解函数优化问题(Based on Improved Particle Swarm algorithm, can be used to solve the function optimization problem)

详细介绍了隐马尔科夫链的原理和matlab代码实现，可以运行其中的demo了解hmm的工作原理(Detailed information on hidden Markov chain theory and the matlab code, you can run the demo to understand the working principle hmm)

自己写的检测音频峰值包络的程序，需要的可以看一下(Write your own audio peak envelope detection process, the need to look at)

金融数量分析--基于MATLAB编程一书所附程序代码，可顺利运行(Financial quantitative analysis- a book based on MATLAB programming code attached to the smooth running )