Program_1

simple reduce features used in face recognition using PCA

This code is about SVD method in seismic.

BP神经网络的学习代码，是学习BP神经网络的入门代码，可以用于仿真实验(BP neural network to learn the code, BP neural network to learn the entry code can be used for simulation experiments)

matlab跟电子信息的深切联系，在电子信息的应用。(matlab deep contact with the electronic information in the application of electronic information.)

Computes fourier series

最新的SOM神经网络的工具箱,可以用来参考，加强对自适应网络的理解，希望对朋友们有用!(The latest SOM neural network toolbox, can be used for reference, strengthen the understanding of the adaptive network, I hope useful for friends!)

解决一些排放量的问题，有效的解决了预测的问题。(Solve the problem of emissions, effective solution to the prediction problem.)

用四阶龙格库塔法求非线性系统的输入相应，同时用simulink建模比较。 (Using fourth-order Runge-Kutta method for the corresponding input nonlinear systems, and modeling using simulink comparison.)

拟合、插值、遗传算法、微粒群算法实例讲解,matlab(Fitting, interpolation, genetic algorithms, particle swarm optimization examples to explain)

采用了精确一维搜索法进行目标函数求极值，其中使用了黄金分割法，最速下降法和拟牛顿法。(Using the exact one-dimensional search method to the objective function extremum, which uses the golden section method, steepest descent and quasi-Newton method.)