matlab-for-maximum-entropy

用于求解线性方程组的追赶法！！！程序经过优化处理，运行速度快，且注释完全易于阅读，欢迎大家下载！！(Solving linear equations for the law to catch up! ! ! Optimized procedures to deal with, fast, and completely easy-to-read notes, welcome you to download! !)

F-K域偏移法和相移法偏移程序（C语言）(FK domain migration method and the phase- shift method migration program (C language))

说明：  LM莱文博格马夸特优化算法，python语言(this is a file of LM algorithm which was wroten by python language)

己知一些离散的点，使用matlab利用最小二乘法拟合(Had a number of discrete points, with linear least squares fitting)

产生K分布随机变量以及产生的随机变量与K分布密度函数的拟合程度(Generate the K-distribution fitting degree of the random variable and the random variable with distribution density function of the K)

插值法： （1）拉格朗日插值 （2）牛顿插值 （3）分段线性插值 （4）Hermite 插值 （5）样条插值(Interpolation method: (1) Lagrange Interpolation (2) Newton interpolation (3) piecewise linear interpolation (4) Hermite interpolation (5) spline interpolation)

说明：  Galerkin method,a numerical approximate method based on weighted residual method,commonly used in differential equation.(Galerkin method,a numerical approximate method based on weighted residual method,commonly used in differential equation.)

三次样条插值（简称Spline插值）是通过一系列形值点的一条光滑曲线，数学上通过求解三弯矩方程组得出曲线函数组的过程。本函数中采用第一类边界值(Cubic spline interpolation (referred Spline interpolation) through a series of key points of a smooth curve, mathematically by solving the three-moment equations derived curve function group process. This function uses the first boundary value)

计算流体力学;高精度7阶二维weno格式;矢通量分裂方法(Vector flux splitting in 7 order two dimensional WENO scheme)

单元刚度矩阵，用于计算三单元刚度矩阵，输出刚度矩阵(Element stiffness matrix is ​ ​ used to calculate the three-element stiffness matrix, the output stiffness matrix)