PSORT

多种经典谱估计的方法，直接法谱估计，间接法谱估计，Bartlett谱估计，welch谱估计（含多种窗口的实现）。(A variety of classical spectral estimation method, direct method spectrum estimation, spectral estimates of the indirect method, Bartlett spectrum estimation, Welch spectrum estimation (including a variety of window).)

利用matlab求最大李雅普诺夫指数的wolf算法(Use matlab for the largest Lyapunov exponent wolf algorithm)

Carrame法求解矩阵方程组，并应用于1D光子晶体场的分析(Carrame Method matrix equations, and applied to the analysis of 1D photonic crystal field)

MATLAB 程式设计与应用,包含了即基本运算函数(MATLAB programming and applications, including that basic arithmetic functions)

MATLAB FUZZY BASIC OPERATIONS

说明：  本代码采用python语言编写的的一个LSTM时间序列来预测销量(This code uses a LSTM time series written in Python language to predict sales)

DIGITAL IMAGE WATER MARKING USING DCT

MOPSO算法，加注释并且可以跑通，加测试函数，初学者学习很方便(MOPSO algorithm, annotated and run, and test function, it is convenient for beginners to learn)

说明：  计算时变重力场变化的程序，通过此程序可以计算地球质量变化等等。(Changes in time-varying gravity field calculation program, this program can be calculated by changes in Earth' s mass and so on.)

it contents some basic code to finding root of a equation