envelope

说明：  一个matlab写的bpANN程序，参数优化采用交叉验证办法.(Write a matlab bpANN process parameter optimization using cross-validation approach.)

This file is a solution for vertical seismic profile by svd picard

算术编码简单例子，对于初学者会有很大的帮助。(Simple example of arithmetic coding, for beginners, there will be a great help.)

MATLAB LabVIEW SystemView 仿真分析(MATLAB LabVIEW SystemView SIMULATION)

分别给出了饼图的绘制、阶梯图、枝干图、罗盘图、轮廓图、交互式图形、变换的傅立叶函数曲线、劳伦兹非线形方程的无序活动、填充图、条形图和阶梯形图matlab的样例代码，简单实用。(Drawing pie charts are given respectively, ladder diagram, branches map, compass map, contour maps, interactive graphics, the Fourier transform function curves, Lorenz chaotic activities of non-linear equations, filling diagrams, bar charts and first-order ladder matlab sample code, simple and practical.)

柱体 TE_TM 波散射 采用的方法为矩量法由于基函数和权函数选取的是相同的，故称为伽略金(Galerkin)法。

产生另外一种BA无标度网路模型，然后可以计算及网路参数(Produce another BA scale-free network model, which can then be calculated and network parameters)

图像处理的MATLAB程序（教学使用）-非线性灰度变换法(MATLAB image processing procedures (Teaching)- linear gray level transformation method)

Shuey的泊松比差异AVO曲线方程程序，是地球物理专业AVO研究方面很好用的方程之一(AVO curve of Shuey s equation)

Double Integration by the Simpson s Rule(Double Integration by the Simpson' s Rule)