usercreep

说明：  matlab改进的网格算法，work3为主程序(Matlab improve grid algorithm, based procedures work3)

内点惩罚函数法C语言程序，适用于机械行业机械优化设计(SUMT)

二维情况的chan定位算法，1994年原版论文代码实现，可以支持远近和linear nonlinear四种模式(2 dimension chan algorithm, TDOA localization. Including near, far field and linear nonlinear sensor array)

这是2011年中国等离子暑期学校关于磁流体力学（MHD）的讲义，授课的老师是北京大学的王晓刚教授，非常经典！(This is the 2011 China Summer School on magnetic plasma hydrodynamics (MHD) lectures, taught at Peking University Professor Wang Xiaogang teacher, very classic!)

随机子空间算法实现 matlab函数 分两步求取 来源于网络(Stochastic Subspace Realization Algorithm Tohru Katayama, "Subspace Methods for System Identification", Springer)

说明：  将GNSS RINEX数据转换为电离层总电子含量(GTEX格式)(Convert GNSS RINEX data to Ionospheric Total Electron Content (GTEX format))

根据电磁参数,介电常数实部和虚部，磁导率的实部和虚部，计算反射损耗。(calculating the reflection loss from the electromagnetic parameters)

基于MATLAB进行标准化降水指数SPI计算程序，主要用于干旱分级的确定指数。(Standardized precipitation index SPI calculation based on MATLAB program, mainly used to determine the index drought classification.)

分享一个外国人编写的FDTD程序,可以用来计算微带线和微带贴片天线,程序中采用的是均匀网格划分,但也可以在容易地在它基础上改写成非均匀网格.其边界条件与Sheen的程序不同,这里采用二阶技术.(Prepared to share a foreigner FDTD procedures, can be used to calculate the microstrip lines and microstrip patch antenna, the procedure used is uniform mesh, but can also easily rewrite it into the basis of non-uniform grid. its boundary conditions with different processes and Sheen, where second-order technology.)

地震勘探中，有限差分正演方法的简单一维数值模拟(Seismic exploration, forward finite difference method is simple one-dimensional numerical simulation)