exam1

2011年数学建模比赛b题的建模资料，有MATLAB程序和各种数据表格(2011 Mathematical Contest in Modeling b topic modeling data with MATLAB programs and various data tables)

matlab-GUI设计初级教程，图文并茂的介绍了GUI的各个设计模块。(matlab-GUI design junior tutorials introduce graphic illustrations of the GUI design module.)

This is basic classification code for linear SVM

说明：  对心电信号进行预处理，肌电、工频干扰、相位漂移滤除，为后续分析做准备(The ECG signal is preprocessed, and the EMG, power frequency interference and phase drift are filtered out to prepare for the subsequent analysis)

说明：  to check if two arrays have common element

phich and time stretching done in matlab

关于说话人识别的matlab源程序，另外还包括关于系统各个模块的说明(On Speaker Recognition Matlab source also includes instructions on the various modules of the system)

record, save, append & play files of audio

说明：  一个难得的时频分析的工具箱. 里面有丰富的时频分析工具供大家使用.(A unique time-frequency analysis toolbox. Which is rich in time-frequency analysis tool for all to use.)

i am submitting some program on pso