refactor

本软件能根据轧制工艺条件快速准确地计算出轧制力，并已经通过实际检测，与实际值误差在10％之内，建议教学轧制力时采用(software based on the rolling conditions quickly and accurately calculate the rolling force, and has adopted effective detection, and the actual value of the 10% error within the recommended teaching rolling force used.)

主成分分析的三种方法，一种是自编程序，一种是princomp函数,一种是pcacov函数(Three principal component analysis, one is self-programming, one is princomp function, a function is pcacov)

数字图象处理算法的演示，包括：图象的DFT和逆DFT，图象的FFT和逆FFT，在图象中加入正弦噪声，图象的模板运算实现图象平滑和锐化等等。(digital image processing algorithms demo, including : Image DFT and inverse DFT, FFT image and inverse FFT, in the image by adding sinusoidal noise, the template image Operational Image sharpening and smoothing and so on.)

用spiht写的图像压缩代码，适用于基于DWT的图像压缩，欢迎下载(Written by SPIHT image compression code, the application of DWT-based image compression, welcome to download)

用于读取IGES文件(IGES files for reading)

小波包分解，求能量程序，，对小波包的了解掌握都很有用，希望对读者游泳(the wavelet packet decomposition and energy distribution )

说明：  VC做的图像直方图均衡化小程序，有助于学习图像处理基本知识(VC image histogram equalization do applet can help to learn basic knowledge of image processing)

这是学习CVI关于网络设置方面的一个很有价值的例子(to study how to use cvi)

输入整数n，显示出具有n行的杨辉三角形。一个具有10行的杨辉三角形运行结果(Enter an integer n, with n rows show the Triangle. Triangle with the results of a 10 line)

序列匹配c++实现，可以帮助理解序列匹配算法(Sequence matching c++ implementation can help to understand the sequence matching algorithm)