pca

EM算法，是一种无监督的聚类算法，可以实现对数据的处理，对不同数据进行聚类，生成类内相似度最大(EM algorithm is an unsupervised clustering algorithm, the data processing can be achieved on different data clustering, to generate the maximum within-class similarity)

matlab有限元结构动力分析与工程应用 第二章源程序(matlab finite element structural dynamic analysis and engineering application source code chapter)

直角坐标系下的牛拉法潮流计算-建立任何电网的原始节点和支路数据的文本文档，就可以调用Matlab文件进行潮流计算。(Cattle trend Rafah Cartesian coordinate system is calculated。Establish any text document to the original node and branch data grid, you can call Matlab files flow calculation.)

说明：  matlab中的关于解方程方面的例子和程序(matlab on solving equations in terms of examples and procedures)

关于小波边缘的matlab程序，希望对人有用(Matlab program on wavelet edge, in the hope useful to people)

Solucion problema de la mochila con busqueda tabu.

计算时间序列的最大的里雅普诺夫指数的函数,(Calculation of time series The largest Lyapunov index in the function,)

说明：  基于小波系数块能量分析的自适应数字水印算法(Energy analysis based on wavelet coefficients of adaptive digital watermarking algorithm)

微电网小信号稳定性的参考资料，对微电网稳定的研究很有帮助。(Microgrid small signal stability of reference materials on the micro-grid stability research helpful.)

噪声中正弦信号的现代法频谱分析，分析了自相关法、Burg法、协方差法和改进的协方差法对功率谱的影响以及阶数、信噪比、窗长度对自相关法频谱分析的影响。(The influence of autocorrelation method, Burg method, covariance method and improved covariance method on power spectrum and the influence of order, signal-to-noise ratio and window length on the spectrum analysis of sinusoidal signal in noise are analyzed.)