Kalman

这是一个简单的FFT为无电位1 +1 +1 Ð 薛定谔方程的光束传播方法。如果该软件灵活，允许引入的术语（如果是极少数需要包括色散效应高阶导数）。例如，如果一个人渴望解决的一个方程的形式： （四/ dz的+ Ð ^ 2/dx ^ 2 - 0.25 * Ð ^ 3/dx ^ 3）== 0 Ÿ 它可以解决使用以下代码： Ž = linspace（0,1,512） x = linspace（-5,5,1024） psi0 =进出口（- x的。^ 2） Ð = D_lateral1D（十，2）-0.25 * D_lateral1D（十，3） 字段= LinearBPM（psi0，有D，Z） 凡D_lateral1D是一个函数，提供“取代”的微分算子。 这个函数是在一个非线性的BPM，我曾对（分步，谱方法等），将提交给我，当我完成他们的文件和组织功能更复杂的设置非常初期阶段。 (This is a simple FFT based beam propagation method for potential-free 1+1+1D Schrodinger equation. The software if flexible and allows to introduce high-order derivatives in the term (very handful if is needed to include dispersion effects). For example, if one desires to solve an equation in the form: (d/dz+ d^2/dx^2- 0.25*d^3/dx^3)Y == 0 It can be solved using the following code: z=linspace(0,1,512) x=linspace(-5,5,1024) psi0=exp(-x.^2) D=D_lateral1D(x,2)-0.25*D_lateral1D(x,3) field=LinearBPM(psi0,D,z) Where D_lateral1D is a provided function that "replaces" the derivative operator. This function is a very early stage in a more complex set of non-linear BPM functions that I have made (split-step, spectral methods, etc.) and I will submit them when I finish their documentation and organization. Sorry for my English, I m eager for your comments. )

说明：  有关lfm的一些知识，希望对大家有一定的帮助(Some knowledge about FRFT transformation, we hope to have some help)

采用matlab编写，HLL和ROE黎曼求解器求解一维激波管问题，并有与精确黎曼求解器结果对比。( one-dimensional shock tube problem using HLL and ROE Riemann solver )

matlab经典课堂讲义 是初学者的好资料。(Classic class handouts for matlab ，its good Information for the beginner )

Program a. Description: This source code program can produce a minimum-length trajectory for any two configurations. b. Size: 28kb c. Platform: Matlab 7.1. d. Major Component Description: 41 .m files in the folder .Program

地球不转时的星下点轨迹，回归周期1天，可自行设定(Earth does not rotate when the nadir track one day return period)

自己编写的一维搜索优化算法，包括黄金分割法、平分发、牛顿迭代法、抛物线法、三次插值法(I have written a one-dimensional search optimization algorithms, including the golden section method, flat distribution, Newton iteration, parabolic, cubic interpolation)

Geometrical nonlinear finite element solver

神经网络matlab实现各种hop(Hopfield)算法(hopfield,ANN)

Detector de tono DTMf