E2Q2E

说明：  海浪模拟，基于PM谱，根据海浪频率波高等因素(Wave simulation, based on PM spectrum, according to wave frequency wave higher factor)

nelder-mead algorithm for unconstrained optimization simulation in c programming language

计算球体RCS，输入球直接获取球的雷达散射截面(Sphere radar cross section calculation)

动态CGE模型代码，可以直接粘贴至GAMS软件运行，代码清晰，易于修改。(Dynamic CGE model code, can be directly pasted to the GAMS software operation, the code clear, easy to modify.)

说明：  通过建立截面为多边形的水平柱体模型，运用c语言程序进行编程，得出该地质体的重磁异常特点(By establishing a horizontal cylinder model with polygon cross section and programming with C language, the characteristics of gravity and magnetic anomalies of the geological body are obtained.)

说明：  Matlab；金融计算；var计算；cvar计算 [VaR&&CVaR] VAR，CVAR详细介绍，并附带各种方法计算，matlab程序实现，仿真结果图展示。 [Matlab和金融计算] Matlab实现金融计算，并附带蒙特卡洛实现。([VaR&&CVaR] Var, cvar are introduced in detail, as well as various methods of calculation, and matlab program calculation is included, and the results are displayed in graphs. [Matlab and financial calculations] Matlab implements financial calculations with Monte Carlo implementation.)

小世界网络邻接矩阵生成代码，可以基于此来实现人际网路(Small-world network adjacency matrix generated code can be implemented based on this interpersonal network)

本程序包括：DFT（离散傅里叶变换），FFT（快速傅里叶变换），IFFT（快速傅里叶逆变换），conv（卷积：圆周卷积、线性卷积），主要应用于信号处理，既可以对实序列做上述操作，也可以对复序列。(This process includes: DFT (Discrete Fourier Transform), FFT (fast Fourier transform), IFFT (inverse fast Fourier transform), conv (convolution: circular convolution, linear convolution), mainly used signal processing, either on the actual sequence to do the operation, can also be complex sequence.)

几个使用的解线性方程组的程序，包括高斯消去法，高斯列主元法，高斯——赛德尔消去法。简明实用。(Gauss elimaination, Gauss_seidel ellimination)

计算波导中四波混频效率，考虑线性损耗、自由载流子吸收损耗、双光子吸收损耗(FWM efficiency in silicon waveguide)