prec_rec

说明：  产生一个连续信号，然后对其采样并进行频谱分析，再通过三种滤波器进行滤波处理。(Generates a continuous signal, then the spectrum of its sampling and analysis, and then filtered through three filters.)

事先计算图像的标准差，可以用来评判图像变换是否可信(Calculate the standard deviation of the prior image can be used to judge the credibility of image transformation)

两个数值实验的matlab编程实现。题目分别1是利用循环语句，计算数列根号5 ，根号下根号5 ，根号下根号下根号5…的极限，要求误差小于 10负8次方。 2利用级数pi=1-1/3+1/5-1/7+...可计算出无理数pi的近似值(Two numerical experiments matlab programming. Title 1 is the use of loop were calculated series roots and 5, roots and root number under 5, roots and root, root number under number 5 ... the limits of error of less than 10 required a negative 8th power. 2 using series pi = 1-1/3+1/5-1/7+ ... calculate the approximate irrational number pi)

用于人脸识别的NMF分解程序，用MATLAB编写的(face recognition for the NMF decomposition process, the preparation of MATLAB)

GMM，LDA,PCA,GMM，LDA,PCAGMM，LDA,PCA(the code of GMM，LDA,PCA)

Implement and investigate into stochastic Galerkin methods with a special focus on tensor product methods.

this is the id3 algorithm in matlab, it is the only id3 function which is writen recursively.

地磁场计算,大回源线圈产生的地磁场,不同电导率的地磁场计算(Earth' s magnetic field analysis, the source coil back to the geomagnetic field generated by the different conductivity of the Earth' s magnetic field calculation of)

基于matlab实现的循环谱估计算法，可以对具有循环平稳特点的信号进行参数估计，如直扩信号和周期调制信号 (Matlab-based spectral estimation algorithm to achieve the cycle, can be characterized with cyclostationary signal parameter estimation, such as the DS signal and cycle modulation)

GA location allocation problem sample