2015美国数学建模大赛A题代码

MATLAB遗传算法工具箱，与大家一起共享，请大家可以放心使用(MATLAB genetic algorithm toolbox, with everyone sharing, we can be assured using)

关于神经网络的，对BP网络权值和阈值优化适应度子函数的源代码(Neural network, BP network weights and threshold to optimize fitness subfunction source code)

matlab语言基础，包括命令窗口，变量与数值显示，数学运算，工作空间，矩阵运算等。(matlab language base, including the command window, variables and numeric display, math, work space, matrix operations, etc.)

一种频率估计新算法的仿真可以在dot内高精度的测量频率信号(matlab dot muisc )

用扩展有限元反应数字散斑图像位移和应变信息的小程序，并在matlab上进行运算，精确到亚像素。(Extended Finite Element reaction with digital speckle image displacement and strain small program information, and on the matlab calculates accurate to sub-pixel.)

说明：  利用Matlab和SPSS软件实现聚类分析.运用Matlab中的一些基本矩阵计算方法，通过自己编程实现聚类算法(Matlab and SPSS software using cluster analysis. The use of Matlab, some of the fundamental matrix method, clustering algorithms, through their own programming)

分数复利叶变换 用于测量距离和信号压缩 使用广泛(Calculation of the Fractional Fourier Transform)

HHT变换的matlab程序，简单明了，希望对大家的学习有帮助(HHT transform matlab program simple, we want to help the learning)

OFDM仿真程序，信道估计采用LS,MMSE,LMMSE,DCT等方法，做了个比较，ofdm那个是主程序(OFDM simulation program, channel estimation using LS, MMSE, LMMSE, DCT and so on, made a comparison, ofdm that is the main program)

Example of power spectral density with yule-walker and Burg method.