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说明：  输入圆的半径求周长和面积。程序由三个函数组成：主函数进行输入输出和函数调用，perimeter函数求周长，area函数求面积。(Enter the radius of the circle circumference and area requirements. Program consists of three functions: the main input and output functions and function calls, perimeter function evaluation perimeter, area function for the area.)

数字水印源码，基于matlab的，可实现，共同分享。(Digital watermarking source code, based on the matlab can be realized.)

选题二、基于matlab简单图像处理系统用中值滤波方法消除噪声(Two topics, based on matlab image processing system with a simple median filter to eliminate noise)

这是matlab的一些程序希望对大家有用，谢谢了(This is some of the procedures of the matlab hope that useful, thank you)

mapwindow6的源码。对于学习提高非常有用(mapwindow6 source. Very useful for learning to improve.)

光栅图形矢量化方法分析与评价,一篇不错的书籍(Raster graphics vector analysis and evaluation methods, a good book)

clear 从内存中清除变量和函数 exit 关闭MATLAB load 从磁盘中调入数据变量 pack 合并工作内存中的碎块 quit 退出MATLAB save 把内存变量存入磁盘 who 列出工作内存中的变量名 whos 列出工作内存中的变量细节 workspace 工作内存浏览器 (There is one outlier in the data of , but is not of data .For and the line of Q2 is in the middle of the box, so there are not asymmetries for both and .)

流行学习英文文献，主要是局部线性嵌入方法的改进(Pop learning English literature, mainly locally linear embedding Improvement)

led入射fbg的反射谱和透射谱。功能齐全，三维图形(led the reflection spectrum and the incident fbg transmission spectrum. Fully functional, three-dimensional graphics)

自己编写的迭代小程序，小程序，没问题额的啊(I have written a small program iteration, a small program, the amount of, ah no problem)