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实现了图像的一些基本运算，包括高低通滤波(Realize the image of some of the basic operation, including high and low pass filter)

Plan separator: the code separate the bit 0 to 7 plans of an eight bits image. This is to allow image analysis and to know the most useful part of the image among its features.

利用matlab写的较基本的arnold加密与相应解密算法，其中的key可以任意改之，但加密次数不宜太多，最好在100次以内(Use matlab to write the basic Arnold encryption and decryption algorithm, one of the key can be arbitrary change, but the number of encryption shoulds not be too much, best within 100 times)

以矿山管理为例子解决离散时间和离散状态的动态模型。(solving the discret time,discret state dynamic models in economics.)

simulink的课件的PPT，适合入门者使用(the ppt of simulink and it is the base of simulink)

数字信号处理程序——用FFT实现信号频谱分析的matlab程序(Digital signal processing procedures- implementation using FFT signal spectrum analysis matlab program)

In machine learning, artificial neural networks (ANNs)

matlab教程ppt 绝对实用 简介明快 一看就懂(the ppt about matlab)

产生一个幅移键控（ASK）信号，具有正态分布的随机幅度。(have a rate-shift keying (ASK) signal is normally distributed random rate.)

matlab函数表 matlab函数表 matlab函数表matlab函数表matlab函数表matlab函数表(MATLAB FUNCTION REFER TABLE )