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This file is m-file about Implicit BPM for directional coupler waveguide.

matlab学习，适合初学者对matlab软件进行学习(matlab learning software for beginners to learn matlab)

Solver optimization non constrained function

matlab中的PCM编码形式和解码方式仿真程序 简单易懂的编码方式(matlab PCMcoding)

图与网络论中求最短路径的Dijkstra算法(Graph and network theory for the Dijkstra shortest path algorithm)

CSMA implementation in matlab

实现图像的傅里叶高通、低通滤波.经Fourier变换后的图像，中间部分是低频部分，外边是图像的高频部分。经过低通滤波后，图像中的高频成分被滤除掉，只留下低频成分，图像的边缘部分变得比较模糊了(useful for image Fourier high-pass, low pass filter)

C语言实现MATLAB 6_5中M文件的方法 。(C language MATLAB 6_5 in the M documents.)

Select the access network in a heterogeneous environment by using AHP and fuzzy TOPSIS

图像灰度变换的基本运算函数，对于其了解有很重要作用，这是老师代码(Image gray-scale transformation of the basic arithmetic function, for a very important role in their understanding, it is the teacher code)