My_maxentropy

线性系统计算模型；利用有限元划分网格和解决系统动力问题(Calculation of linear system model use of finite element division of power grid and solve system problems)

小数据量法计算最大lyapunov指数工具箱，原来的那个工具箱中有点误差，现在改进了只对前一部分直线状数据进行计算，使结果更加准确(A small amount of data calculated index of the largest lyapunov toolbox, the original error that the toolbox a bit, and now has improved only in a straight line like the first part of the data is calculated so that the results more accurate)

已知消息信号为一个长度为8的二进制序列；载波频率为 ，采样频率为4KHz。编程实现一种调制、传输、滤波和解调过程。(Known message signal is a binary sequence with a length of 8 the carrier frequency, the sampling frequency of 4KHz. Programming a modulation, transmission, filtering, and demodulation process.)

2DGabor filter used for Ridge detection in grayScale images

指纹图像细节特征提取，为指纹匹配做充分的准备(fingerprint)

m序列 matlab开发的源程序代码及m文件(m sequence)

伪随机二位信号，用于系统辨识的特殊输入信号，可实现特定的功能，望多多学习。(Two pseudo-random signals for system identification of special input signal, to achieve specific functionality, hope to learn a lot.)

程序主要为matlab在数学建模中典型的应用程序，包括灰色预测，主成分分析，最短路径，三维地形图的绘制，时间序列，插值拟合等。程序实用性强，替换输入数据即可使用(Matlab program mainly in the mathematical modeling of typical applications, including gray prediction, principal component analysis, shortest path, draw three-dimensional topographic maps, time series, the interpolation fitting. Program practical, replace the input data can be used)

计算语音信号的短时能量和过零率，显示它的时域波形(Calculated short-time speech signal energy and zero crossing rate, showing its time-domain waveform)

说明：  用于进行变量降维的matlab程序，大家可以试一试，很有效哟(Variable Reduction Testbench MATLAB modules，it is very effective， we can try, very effective ..............)