concept_check

说明：  用于模拟光纤中的非线性薛定谔方程，包含了色散、非线性等现象的模拟，对与想了解脉冲在光纤中的传输变化非常有帮助(Used to simulate the optical fiber in the nonlinear Schr&ouml dinger equation, including the dispersion, nonlinear phenomena such as analog, pulse on and want to understand changes in the transmission fiber is very helpful)

二维FDTD仿真soft source入射到有限区域边界后的传播，区域中间放置了一块pec，并且设定了ABC边界条件，可以自动生成关于Ez，Hx和Hy的.avi文件，播放脉冲动态传输。(Dimensional FDTD simulation soft source is incident to spread limited area boundary after placing a piece of the middle region pec, and set the ABC boundary conditions, can automatically generate .avi files on Ez, Hx and Hy, and play dynamic pulse transmission.)

This work describes a framework for image hiding that exploits spatial domain color properties of natural images combined with spectral properties of the Fourier magnitude and phase of these images

简单的 knn 文本算法 ，用于中文文本分类，比较方便的方法！(Simple text knn algorithm for Chinese text classification, more convenient way!)

最小二乘法计算算法，通过快速计算能快速辨识出系统参数(It can be used for fast identification of system parameters and quick calculation of system parameters by least square method.)

说明：  这是一个简单的萤火虫算法源代码，在几个基准函数示例下能够收敛并且能找到最优解。(This is a simple firefly algorithm source code, in a few benchmark function examples can converge and find the optimal solution.)

最优化方法的一些基本算法的实现：1，0.618法；2，牛顿法；3，改进牛顿法；4，FR法；5，DFP法(Ways to optimize some of the basic algorithm implementation: 1,0.618 method 2, Newton' s method 3, improved Newton method 4, FR Act 5, DFP method)

贝叶斯方法 课程报告，源程序和图片在另一个文件夹，搜Bayes program 程序与图片(Bayesian methods course reports, source code and pictures in another folder, search Bayesian methods and procedures and pictures)

一个简单网络的短路电流计算simulink程序，元件参数作为单独文档，提供短路电流、直流分量、周期分量波形。(a example of short simulation,supply short current,include DC and AC current)

线性规划： CmpSimpleMthd(完整单纯形法) 整数规划(含0-1规划) DividePlane(割平面法) ZeroOneprog(枚举法) 二次规划 QuadLagR(拉格朗日法) ActivedeSet(起作用集法)(Linear Programming: CmpSimpleMthd (complete simplex method) Integer programming (including 0-1 Programming) DividePlane (Cutting Plane Method) ZeroOneprog (enumeration method) Quadratic Programming QuadLagR (Lagrangian) ActivedeSet (work set method))