Gravity

EFIE-电场积分方程的详细推倒过程，对于初步学习电磁场的人很有用。(Electric field integral equation EFIE-down process in detail, the electromagnetic field for the preliminary study were very useful.)

二维交错网格声波模拟（加PML边界条件）地震(Two-dimensional staggered grid acoustic simulation (plus PML boundary conditions) earthquake)

自己编写的求可达矩阵，层次划分 代码.使用时，替换已有矩阵，即可运算！ (I have written for reachability matrix, the level of classified code. Use, replace the existing matrix, computing can be!)

描述固体凝固的随机变化状态，为fortran语言，请自行下载对应编译器(describe solid phase status, as fortran lauguage, please download associated compiler)

该程序为全向比幅法测角程序，并给出了测角误差分析(The program is omnidirectional amplitude ratio angle measuring program, and the angle error analysis is given)

这是一个小型计算器，功能强大，用户输入想要计算的数据，即可自行计算出结果。(This is a program about calculator,and it is very userful.)

说明：  fftw 快速傅里叶变换， C#算法 直接调用dll(fftw fuliye bianhuan C# suanfa zhijie dianyong dll wenjian zhijie daoru fangzai bin wenjian jia zhong)

常微分方程及其方程组的求解. 运用数值计算方法进行计算的完整函数,可以方便的调用.编程语言C-C(Ordinary Differential Equations and their equations. The use of numerical method to calculate the complete function, can easily call. Programming language CC)

轨迹跟踪卡尔曼滤波建立在线性代数和隐马尔可夫模型(hidden Markovmodel)上(The trajectory tracking Calman filter is based on linear algebra and hidden Markov models (hidden, Markovmodel))

Evesen开发的scalarmodel，耦合了集合卡尔曼滤波算法和集合卡尔曼平滑算法(Scalarmodel coupled with Ensembled Kalman Filter and Ensembled Kalman Smoother)