Numerical-analysis

应用PCA进行特征提取和降维，可以应用于数据挖掘，机器学习，人脸识别上！(Application of PCA for feature extraction and dimensionality reduction can be applied to data mining, machine learning, face recognition on!)

matlab 进行相机标定的很好的代码，欢迎下载，来者不拒哈(a method to calibrate a camera ,which is tested usefilly)

用matlab所写的复杂网络所用的经典算法，如BA无标度网络，ER随机网络，WS小世界网络和NS小世界网络，以及最近邻耦合网络等matlab算法，可以修改参数，可以绘制复杂网络图形。在matlab中直接可运行。(Classical algorithm matlab written with complex network used, such as BA scale-free networks, ER random network, WS small-world networks and NS small world networks, and nearest neighbor coupling network matlab algorithm, you can modify the parameters, you can draw complex networks graphics. Can be run directly in matlab.)

能量谱分析计算,可以得到很精确的幅值、频率、相位估计，双向PCS控制仿真。( Energy spectrum analysis and calculation, You can get a very accurate amplitude, frequency, phase estimation, Two-way PCS control simulation.)

Multi-phase rectifier based harmonic suppression(The usage of power electronic devices in ship pow er g rids w ill produce a large number of harmonics in the input circuit of converters )

《MATLAB在时间预测分析中的应用》 细致讲解了多种时间序列分析方法AR MA 等，并有源代码。( MATLAB time predictive analytics application careful to explain a variety of time series analysis method AR MA, etc., and source code.)

混沌的判断指标Lyapunov指数计算,进行逐步线性回归，一种噪声辅助数据分析方法。( Chaos indicator for Lyapunov index calculation, Stepwise linear regression, A noise auxiliary data analysis method.)

说明：  科普特序列和格雷码序列，matlab随机数列(Coptic sequence and gray code sequence)

说明：  使用粒子群算法解决10个城市的旅行商问题 可绘制图形(Use the particle swarm algorithm to solve traveling salesman problem of 10 cities can draw pictures)

LMS equalizer very simple