BERRaylegh

说明：  Matlab数据拟合 用Matlab进行数据拟合的方法和原理以及程序(Matlab with the Matlab data fitting data fitting methods and principles and procedures)

matlab计算二阶微分方程，有详细介绍过程，适合新手上路。(Matlab calculates the second-order differential equation, has a detailed description of the process, suitable for novices on the road.)

现代通信信号在matlab中的实现以应用程序(good)

关于柯西分布的matlab工具包，包括概率分布函数，反函数等(On the Cauchy distribution matlab toolkit, including the probability distribution function, inverse function, etc.)

某本matlab书籍中的代码，对于初学者感觉有用，可以看看学习一下(the code come from some book about MATLAB. I feel these useful for beginners, who want to learn the language by youself. )

关于PMSM电机失量控制的MATLAB仿真程序(PMSM Motor Vector Control on the MATLAB simulation program)

四旋翼飞行器自稳控制代码四旋翼飞行器自稳控制代码(4 Aerial Vehicle Stability control code 4 from the homeostatic control code Aerial Vehicle)

说明：  先进PID控制源程序，需要的可以免费下载(Advanced PID control of source code, need can be downloaded for free)

说明：  关于微分法求最大和最小、实验与观察(Ⅰ)：模拟盲人下山的迭代寻优法、计算最佳水槽断面面积的一些应用matlab编写最优化程序的范例(On the differential method for maximum and minimum, experimental and observation (Ⅰ): Simulation of Iterative blind downhill optimization method, calculation of the best cross-section area of the sink some applications to optimize the preparation procedures matlab example)

helical gear. it solution of helical gear problem