FDTD for optical waveguides.rar

1. 牛顿迭代法 function [x,i]=newtonmethod(x0,f,ep,Nmax) 牛顿法求非线性方程根 x0是输入初始值, f是输入函数, 精度要求ep, Nmax为最大迭代次数 x是输出迭代序列,i是迭代次数 2. 二分法 function [x,k]=bisection(a,b,f,ep) 二分法解非线性方程 输入区间[a,b],函数f和误差ep, Nmax为最大二分次数 x为输出近似根, k为二分次数 ( Newton s law and the dichotomy)

gauss jordan method. not my own program but i just want to share it.

matlab版本的动态非结构网格划分程序，希望对你们有用，欢迎下载。(matlab version of the dynamic non-structural meshing program, I hope useful to you, welcome to download.)

罚函数法 它将有约束最优化问题转化为求解无约束最优化问题: 其中M为足够大的正数, 起"惩罚"作用, 称之为罚因子, F(x, M )称为罚函数.(hunhefahanshufa)

利用蚁群算法求解TSP问题， 从Location.dat文件输入每个城市的坐标。(The use of Ant Colony Algorithm for TSP problems Location.dat file input from the coordinates of each city.)

lasso regression. It is very good to use for statics processing.

建筑结构单自由度结构在地震作用下的位移响应杜哈梅积分求解(The SDOF structure of building structures under earthquake displacement response Du Hamei Integral Solution)

c/C++跟fortran语言之间的一些转换(c/C fortran language with the conversion between)

这本书由 Clive G. Page(University of Leicester)先生撰写，旨在帮助正在学习fortran的人。这是本非常好的原版英文入门书。(This book written by Clive G. Page(University of Leicester) is aimed to help those who want to pursue his/her career in Fortran. It is a good start book.)

求解任意区域上的二元函数的二重积分，功能强大实用方便！(Solving binary function on any area of ​ ​ the double integral, powerful practical and convenient!)