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this code is for learning

说明：  matlab 通用神经网络代码,较全面，好不容易找到的。(common neural network matlab code, a more comprehensive, not easy to find.)

好用地 matlab 区域增长算法，先输入比较范围，再输入种子点数目，然后就是手动选取种子点了 ，好运哦！(good land Matlab regional growth algorithm, importing more scope to import seed spots, Then, they manually select seed, good luck!)

应用FDTD方法计算了光子晶体代隙的程序，这是一个计算二维光子晶体代隙的程序(This program calculate the wave guide by a photonic crystal)

现代光化学综述，是对《现代光化学》的总结和基本概念介绍(Modern photochemical reviewed, is the " modern photochemical" summary and basic concepts)

在 matlab 环境下的用于非线性动力学 混沌 分叉 的源程序，可以照葫芦画瓢(Nonlinear dynamics of chaotic bifurcation procedure)

里面包含有几个由MP150采集到的ECG、PPG和心率数据，还有一个能显示ECG和PPG信号波形以及频谱的matlab程序，它还能显示经过五点平滑滤波后的ECG和PPG的波形，程序中有注释。(Which contains several by the MP150 collected ECG, PPG and heart rate data, and one can show ECG and PPG signal waveform and spectrum matlab program, it can also display after a five-point smoothing filter after the ECG and PPG waveforms program in the Notes.)

说明：  现代谱估计的源程序，包括直接法，间接法和窗函数法(Modern Spectral Estimation of source, including direct, indirect method and the window function method)

一个卡尔曼滤波的Matlab程序,希望大家喜欢 (a Kalman filter Matlab procedures, hope you like)

利用遞迴式模糊類神經網路(recerrent neural networks system identification, RFNN)進行系統辨識, 自己寫的請多包含(recerrent neural networks system identification, RFNN)