niugun

说明：  finite element theory

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)

说明：  使用matlab进行 有限元计算，内含多种方式方法，欢迎交流讨论(Finite element calculation using matlab)

说明：  Matrix multiplication explained in detail for C++

三次样条插值函数实现 运行后画出曲线图，并得到插值函数表达式。(spline3)

matlab 实现克里金插值 传统克里金插值 可用于已知少数点的值画整体趋势面(matlab kriging Can be used to draw a few points of the known value of the overall trend surface)

hybrid particle swarm optimization

基于Matlab产生光纤陀螺随机噪声和信号，利用固定步长和可调步长的LMS自适应滤波、最小二乘法、滑动均值三种方法进行处理，最后用阿兰方差评价降噪效果。(FOG Based on Matlab generate random noise and signal, using a fixed step size and adjustable step size LMS adaptive filtering, least squares method, the sliding average of three methods for processing, and finally with Alan variance evaluation noise reduction.)

涡格法计算机翼的涡强，对不同剖面形状，拱度等进行了比较分析。并且与书籍上对比(Vortex lattice method the computer wing of the vortex is strong, the shape of different profiles, such as camber, a comparative analysis.)

使用Fortran涡度、散度、涡度平流、温度平流计算代码(Using Fortran vorticity, divergence, vorticity advection, temperature advection calculation code.)