xiaobo1

说明：  乘幂法 求绝对值最大的特征值 数字计算 数值计算(Power law the largest eigenvalues of absolute value figures)

this matlab program calculate the return of the DES(cryptage).

电网三相短路电流仿真，可以自己设定哪个短路(Grid three-phase short-circuit current simulation can be set for which short-circuit)

说明：  使用matlabR2008a编写的多元逐步回归模型 经过调试(Prepared using matlabR2008a After debugging multiple regression model)

This code is an importante code of example of Matlab for introduction about this programm.

SVM分类程序，可以进行多类分割，该程序的优点是可以直接运行处结果，对SVM初学者十分有利。(Svm classfication program which could run fluently without boring small bugs.)

Approximation entropy: Approximation entropy which is used in time series to measure the irregularity

功能： 功率谱分析 算法参考文献：黄嘉佑，《气象时间序列分析》(functions : power spectral analysis algorithm References : Geophysics, "meteorological time series analysis")

基于边界元与有限元耦合的地震动模拟程序。能简单有效的解决地震作用下地表位移反应问题(Based on boundary element and finite element coupled to ground motion simulation program. Can be simple and effective solution surface displacement response under earthquake problem)

matlab 学习必要的部分matlab 学习必要的部分matlab 学习必要的部分(matlab the information of matlab)