EFIE

利用Matlab计算quality factor. 输入是谐振波谱的数据，输出为：谐振频率，谐振幅度和quality factor。(Matlab coding. Calculate quality factor of resonator based on transmission spectrum data.)

根轨迹文件 多刚体动力学 方程 根分布 稳定分析 (Root locus document root distribution multibody dynamics equations stability analysis)

说明：  相位解缠和相位展开matlab程序，里面还包含多篇介绍该相关解缠算法的文章(Phase unwrapping and phase unwrapping matlab program, which also includes more than to introduce the relevant article unwrapping algorithm)

实现矿井采空区的孔隙率和粘性阻力系数，主要用于采空区瓦斯抽采(The porosity and viscosity resistance coefficient of mine goaf can be achieved.)

用四阶龙格库塔法计算Lorenz混沌系统的时间序列(The time series of Lorenz chaotic system of fixed step size fourth-order Runge-Kutta method algorithm source code.)

之前找不到合适精度的log2x函数的定点化源码，经过实现并验证后，发上来大家一起学习(fixed version for log2x)

一些很有用的数值计算程序：包括多种数值逼近算法的C语言程序，如龙格逼近算法，里米兹一致逼近算法等(Some very useful numerical calculation procedures: including a variety of numerical approximation algorithm for the C language program, such as the Runge approximation algorithm, where meads uniform approximation algorithm)

气泡根据内外压力差变化的动网格。。。。。。(bubble dynamic mesh )

最小二乘法拟合进行n次多项式拟合，N用来控制拟合的次数，例如N=5时进行4次多项式拟合，还回的是拟合系数(Least squares fit polynomial n times, N is used to fit the number of control, e.g., N = 5 When quartic polynomial fitting, further back are fitting coefficients)

实现多项式样条利率期限结构参数求解，方面做国债研究人员借鉴(Polynomial spline interest rate term structure parameters for solving aspects of the bond researchers draw)