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摘要:为提高密码的抗攻击性,利用超混沌系统随机性好!可确定再生,且密钥空间较大的特性,提出了一种基于四维连续超混沌系统和扩展映射的实时视频流加密算法"(Abstract: In order to improve the password anti-aggressive use of system randomness hyperchaos good! Regeneration can be identified, and key characteristics of the larger space, a row based on four-dimensional hyperchaotic system and expansion of mapping real-time video stream encryption algorithm )

说明：  用matlab实现简单的绘图功能，使用GUI界面(Achieve simple graphics function with matlab )

matlab图像预处理一些算法的实现，如巴特沃斯低通滤波器的实现等(MATLAB image processing algorithm implementations, such as Butterworth low-pass filter realization)

解决背包问题 自动求解最大价值 利益最大化问题(Automatically solve the Knapsack Problem to maximize the interests of maximizing the value of solving the problem)

Matlab科学计算的源代码，非常全，所有的代码都自己亲手跑一边，保证你不会为工程数学问题发愁，赶紧行动吧(Matlab scientific computing source code, very full, all the code yourself running while the guarantee that you will not engineering mathematical problems to worry about, and quickly action)

Variable Lattice, Triangle Lattice Self Avoiding Walk

系统的介绍了matlab的相关知识，并有很好的参考价值，初学者可用(System introduced matlab knowledge, and have a good reference value, can be used for beginners)

换能器导纳图绘制函数，需要自备换能器导纳数据，代入即可(Transducer admittance mapping function, you need to bring their own transducer admittance data can be substituted into)

遗传算法实例分析，应用遗传算法实现了例子的最终结果值(Examples of genetic algorithm analysis)

2012 东三省数学建模D题 第一问 基于贪心算法下的自己画8种不同的打孔点并找点之间最小成本连线的GUI程序(2012 Manchuria D problem of mathematical modeling the first question based on the greedy algorithm, painted himself eight different punch point and find the minimum cost connection between GUI program)