pd_swerling2

Matlab Edge detection using masks

this program can be used as an auxiliary functions to develop security based applications

MATLAB爬虫程序，获取指定时间段的所有上市公司公告文本。(A MATLAB spider can fetch the published texts by A-stock companies in certain period.)

说明：  二次规划问题和MATLAB函数quadprog的使用小结(Summary of quadratic programming problem and the use of Matlab function quadprog)

SAMBA POS, Software sale POS

用来做灰色预测的源代码，适用于小样本的预测，精度较高(Used for gray prediction of source code, applies to small sample forecast accuracy)

说明：  关于非线性时间序列中同时计算关联维和Kolmogorov熵的程序,(on nonlinear time series simultaneously calculate the correlation dimension and Kolmogorov entropy procedures,)

FIR DF 等波纹切比雪夫逼近 Remez算法 交错定理 MATLAB仿真(FIR DF；equivalent ripple Chebyshev approxiIllation；Remez algorithm；intervning theorem MATLAB simulation)

对matlab工具箱中的多元逐步回归算法参数表现更明确(Matlab toolbox to the stepwise multiple regression algorithm performance parameters more clearly)

一个有限长序列,用matlab实现其N=100的DFT。给出其幅度与相位曲线，并讨论其相关性质。 (A finite-length sequence, using matlab to achieve its N = 100 of the DFT. Given its magnitude and phase curves, and discuss their related properties.)