photonic_crystal_period

该程序实现了基于罗德里格矩阵的三维坐标转换，该算法简单快速，无需迭代而具有较高的精度(The program implemented based on three-dimensional coordinate transformation matrix Rodriguez, the algorithm is simple and fast, without iteration and with high precision)

说明：  基于M估计的迭代最小二乘算法，其中估计量有Huber,Andrews,Hampel,Ramsay等。(M is estimated based on the iterative least-squares algorithm, which estimates there are Huber, Andrews, Hampel, Ramsay and so on.)

多目标跟踪的粒子滤波器，车牌识别定位程序的部分功能，最小均方误差等算法的MSE的计算。( Multi-target tracking particle filter, Part of the license plate recognition locator feature, Minimum mean square error MSE calculation algorithm.)

基于Laguerre多项式的拟合程序，可以控制多项式的结束，以及变量alpha。(Based on Laguerre polynomial fitting procedure, you can control the end of polynomials, and variable alpha.)

面向对象的有限元程序设计。与传统的有限元程序相比，面向对象有限元程序更易于编写、更易于维护和扩充，程序代码的可重用成分更大。(object oriented finite element programming)

计算天体力学中常用的HANSEN函数,对偏心率小于0.1时适用(This code for hansen function )

用visual basic编译的布谷鸟算法的源代码,是一种很好地启发式智能算法。(Use visual basic compiler cuckoo algorithm source code, is a good heuristic intelligent algorithm. )

4阶龙格--库塔法解常微分方程,比较好用,希望大家尝试.(4-order Runge-Kutta method solution of ordinary differential equations, more useful, I hope everyone try.)

cressman格点插到格点程序，从一个场插值出另一个分辨率不同的场(interpolates fields to another grid as specified )

在传统Otsu算法的基础上进行了一些改进，提高了算法的性能(Made some improvements on the basis of the traditional Otsu algorithm to improve the performance of the algorithm)