Matlab-plot

matlab仿真模拟退火算法的简单搜索过程，随机数用数组实现(Matlab simulation annealing simple search process, with a few random arrays to achieve)

HMM模型的MATLAB实现，HMM模型是语音识别方面一个重要的技术手段(HMM in MATLAB, HMM Speech Recognition is an important area of technical means)

PARTICLE SWARM OPTIMIZATION BASIC CODE

说明：  matlab绘图的程序，包括各种图形绘制方法和说明，对初学者帮助很大。(matlab graphics procedures, including a variety of graphic drawing method and description of great help for beginners.)

读写ply文件的matlab实现。Writes a mesh to a ply file and Reads a ply file (text format). ply files can be in binary format as well(Writes a mesh to a ply file (text format) wich can be read by PlyView from Cyberware and Scanalyze from Stanford University. Both are available for free. Reads a ply file (text format). ply files can be in binary format as well this function can read ply files in txt format only e.g. created by makePly.m.)

里卖含有很多函数，如求最大值，最小值函数，一范数和二范数相加的问题。(Being sold contain a lot of functions, such as seeking the maximum, minimum function, the sum of a norm and the two norm.)

MATLAB语言进行控制系统仿真和辅助设计的讲义，为科学研究打下基础(MATLAB language control system simulation and design of the notes, lay the foundation for scientific research)

3D 线性有限元算法， 可计算模型形变和应力分布(3D linear finite element method, calculate deformation and stress distribution model)

关于2FSK在高斯和瑞利信道的传输，以及OFDM系统的仿真模型，还有QPSK的Simulink仿真。(About 2FSK in Gaussian and Rayleigh channel transmission, as well as the OFDM system simulation model, as well as QPSK the Simulink simulation.)

nearestSPD works on any matrix, and it is reasonably fast. As a test, randn generates a matrix that is not symmetric nor is it at all positive definite in general.