Chap_4

text within noisy code extraction

数值实验中基于matlab的龙格算法(Numerical experiments of Runge matlab-based algorithm)

gabor变换！本m文件实现了Gabor 变换！在MATLAB环境下可以运行实现！(Gabor transform)

详细的介绍了matlab信号和图像处理的方法和原理(Detailed description of the matlab signal and image processing methods and principles)

说明：  第13章： 随机数生成 PFQZ 用平方取中法产生随机数列 MixMOD 用混合同余法产生随机数列 MulMOD1 用乘同余法1产生随机数列 MulMOD2 用乘同余法2产生随机数列 PrimeMOD 用素数模同余法产生随机数列 PowerDist 产生指数分布的随机数列 LaplaceDist 产生拉普拉斯分布的随机数列 RelayDist 产生瑞利分布的随机数列 CauthyDist 产生柯西分布的随机数列 AELDist 产生爱尔朗分布的随机数列 GaussDist 产生正态分布的随机数列 WBDist 产生韦伯西分布的随机数列 PoisonDist 产生泊松分布的随机数列 BenuliDist 产生贝努里分布的随机数列 BGDist 产生贝努里-高斯分布的随机数列 TwoDist 产生二项式分布的随机数列 (random)

-u"+u^2=x, 0<x<1 u(0)=0, u(1)=0

This is the region growing segmentation algrithm for gray image, user must add a seed point.

对图像进行离散余弦变化处理，了解余弦变化系数以及余弦变化后回复图像与原图的区别(After the change of image processing discrete cosine understand cosine cosine coefficient of variation and difference with the original image Reply)

说明：  基于模拟退火的粒子群算法，基于自然选择的粒子群算法，基于杂交的粒子群算法(Based on simulated annealing particle swarm algorithm, based on natural selection, particle swarm optimization, particle swarm optimization based on hybrid)

偏微分方程解算的常用算法，各自介绍在《说明》文档中(PDE solution programs in matlab)