sar_down_Adata

Solves the problem Ax=b when A is pentadiagonal and strongly nonsingular. This is much faster than x=Ay for large matrices.

本程序源码仿真了功率谱密度，供供有关人士下载学习 (The program source code simulation of the power spectral density for the download to learn for the person concerned)

基本使用说明如下： 1、文件夹中均为MATLAB软件M文件程序； 2、程序文件为每一章节中例题的MATLAB程序电子版，程序名与例题名序号相对应； 3、此文件夹中的程序已经经过调试，在MATLAB 7.0或以上版本中均可以正常运行； 4、程序头中功能介绍了此程序的主要实现的功能。 (Basic use is as follows: 1, folder files are MATLAB software M procedures 2, the program file for each of the sections in the example of the electronic version of MATLAB program, the program name and serial number of the corresponding sample questions 3, in this folder procedures have been debug, in MATLAB 7.0 or above in both the normal operation 4, the procedure first introduced in the function of this program the main function.)

利用gauss模型生成反射系数，用于AVO反演及合成地震记录等( GAUSS_MIXTURE: Compute a reflectivity using a Gaussian Mixture model.)

建立了超临界二氧化碳布雷顿循环的特定工况下的循环代码(A cyclic code for a supercritical carbon dioxide Brayton cycle under specific conditions has been established.)

这是PSO粒子群算法比较的常用25个函数的matlab源代码。(This is a comparison of particle swarm optimization PSO used 25 functions matlab source code.)

随机森林 MATLAB版算法，可以运行，能较好的实现分类算法，只是速度有点慢(Random forest MATLAB version of the algorithm can be run, better classification algorithms, but the speed is a little slow)

PDE introdution.let u konw hot to use the PDE to reliace in programe.I t is usful to anyone who wannto use PDE in project.

小波包分解重构程序，克服小波分解在高频段的频率分辨率较差(Wavelet packet decomposition and reconstruction program, overcome the wavelet decomposition in the poor frequency resolution in high frequency )

说明：  实现EM算法的MATLAB仿真程序，利用高斯混合模型实现EM聚类算法，并比较估计参数。(EM algorithm to achieve the MATLAB simulation program, using Gaussian Mixture Model EM clustering algorithm, and compare the estimated parameters.)