risk456_2

说明：  简单的小波包分解和重构单路信号，包括求小波的能量熵(Wavelet Packet Analysis)

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matlab小波变换源代码，供广大研究者学习(matlab wavelet transform source code, for the majority of researchers to learn)

这是matlab的50道练习题，可以方便初学者进行自我检测，基本上这些题会做，matlab也就没有多大问题了。(This is a matlab 50 exercises, beginners can easily be self-testing, basically these questions will do, matlab there is no big problem.)

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通过编程得到正交的1egendre(N)函数序列(Orthogonal sequence of Legendre (N) functions obtained by programming)

用matlab编写的,提供一种求解最优哈密尔顿的算法---三边交换调整法.(prepared by using Matlab and provide a solution to the optimal algorithm Hamilton--- trilateral exchange adjustment.)