average

应用此资料可以了解信号与系统的理论知识，为以后用matlab编程打下基础(Apply this information to understand the theory of signals and systems knowledge, to lay the foundation for future programming with matlab)

最速下降法与牛顿法-Steepest descent method and Newton s method(Steepest descent method and Newton' s method)

针对Zemax2003版，可以读取Zemax的光线追迹数据，即*.zrd文件便于后期处理；(this program is designed to read*.zrd file for zemax2003)

this is a source code about neural networks

绘制互相关信号,采用权向量和迭代次数求滤波器系数.(Drawing cross-correlation signal, weight vector and the iteration number for filter coefficients.)

若系统中有信息不完全或不确知的现象，则称为系统的灰色性。这种具有灰色性的系统，称为灰色系统。(If the system has incomplete information or not sure, then known as the system of the gray. This kind of gray system, known as the Gray system.)

说明：  数值计算课程实验的程序代码，很全面，很有用哦，希望能对大家有所帮助(Numerical experiment code program, very comprehensive and very useful Well, I hope you can help)

OFDM在瑞利信道下的误码率，使用matlab将OFDM在瑞利信道下进行仿真性能的效果(OFDM BER in Rayleigh channel using matlab OFDM in the Rayleigh channel simulation performance results)

遗传算法在求解一元函数极值中的应用，可供新手学习、参考(a genetic algorithm is given to solve a simple function’s extremum problem.)

实现单相交流信号锁相功能，单相锁相环，matlab simulink程序。(matlab simulink single phase )