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梯度下降法是一个最优化算法，常用于机器学习和人工智能当中用来递归性地逼近最小偏差模型(The gradient descent method is an optimization algorithm used in machine learning and artificial intelligence to recursive approximation of the minimum deviation model )

matlab编的可以画吸收光谱的程序，数据需要手动修改输入，从oring粘贴就行(the program could be used to draw the absorption of uv visible,the results of Gaussian.The data should be changed by hand.)

matlab上广泛流行的绘制地图和流线图的m_map插件工具箱。加入该插件可以让matlab直接进行绘制地图(The code for map contouring in the matlab)

Finger print Wit Neural Network

说明：  求取互相关值，可以实现两个序列互相关运算、时延估计等功能。(By calculating the cross-correlation value, the functions of cross-correlation operation and time delay estimation of two sequences can be realized.)

利用蝶形算法，实现快速傅立叶变换及其逆变换(The use of butterfly algorithm, fast Fourier transform and its inverse transform)

matlab神经网路工具箱详细教程，通过matlab实现多种网络(Matlab neural network toolbox detailed tutorial)

three level inverter using dc source

加入重复控制，WgUnizA参数使用matlab实现智能预测控制算法，是国外的成品模型，基于互功率谱的时延估计，nfJZEzi条件最小均方误差（MMSE）的算法，包含光伏电池模块、MPPT模块、BOOST模块、逆变模块。( Join repetitive control, WgUnizA parameter Use matlab intelligent predictive control algorithm, Foreign model is finished, Based on the time delay estimation of power spectrum, nfJZEzi condition Minimum mean square error (MMSE) algorithm, PV modules contain, MPPT module, BOOST module, inverter module.)

说明：  中心差分法，解决结构动力学中中心差分法公式的matlab编程过程(Central difference method)