CDMA2000-CRC

BP神经网络容易陷于局部极小值，PSO算法在无约束非线性函数优化方面性能优越，通常可以直接找寻到全局最优解，即使不能搜多到全局最优解，也距离全局最优点不远。当然，基本PSO算法陷入局部极值也是有的。对于这个缺点目前还没有找到比较有效、省市的解决方案。本案例实现利用PSO算法和BP算法共同训练神经网络，先将网络进行PSO算法训练，然后BP算法接着进行小范围精细搜索，PSO算法训练神经网络的本质就是将输出误差函数（即能量函数）看成目标函数，PSO对能量函数进行全局寻找最小值。(BP neural networks are prone to local minimum values. The PS algorithm has superior performance in the optimization of unconstrained nonlinear functions. It can usually find the global optimal solution directly. Even if it can not find more global optimal solutions, it is not far from the global best. Of course, there is also a local extreme of the basic PO algorithm. For this shortcoming, there is no more effective, provincial and municipal solution. This case realizes the use of the SO algorithm and the BP algorithm to train the neural network. First, the network is trained in the SO algorithm, and then the BP algorithm is followed by a small range of fine searches. The essence of the PO algorithm training neural network is to regard the output error function(ie, the energy function) as the objective function, and the PO seeks a global minimum value for the energy function.)

对Mathematica的快速入门进行了详细的介绍。(Mathematica' s quick start on a detailed description.)

this code for guss method

用matlab实现的心电数据的去除基线漂移和去噪功能，方便大家使用(Implemented with the matlab ECG baseline drift removal and denoising function to facilitate the people to use)

小波分析，可用于气象分析等图形分析，毕业论文(Wavelet analysis can be used for weather analysis, graphical analysis, Thesis)

多项式的曲线拟合，使用MATHCAD实现(Polynomial curve fitting using MATHCAD achieve)

face detection in matlab. accuracy is about 99.3 . basic code of matlab need to execute in matlab

Nonlinear component analysis as a kernel Eigenvalue problem

及于核函数的维纳滤波，希望大家共同学习进步。程序我这里好用，也许你下载后需要调试，祝好(kwiener，，)

warning output functions.