sw_pres

协同克里格matlab实现,包括普通克里格,变差函数和交叉变差函数的实现,三维图显示机及其协同区域化( Cokriging matlab realize, including the realization of ordinary kriging, and cross variogram variogram, three-dimensional diagram shows the machine and its Coregionalization)

介绍箱梁的有限元建模 网格划分 边界条件 加载 求解的命令流(Introduction of finite element modeling of the box girder meshing load boundary conditions for solving the command stream)

《基于L 矩估计的GEV-GPD分布拟合及其频数分配和分位数计算》 L 矩估计各分布参数(包括GUMBEL分布,GEV分布,GPD分布) ，其中包括子程序(1)计算频数分配(PINSHU),(2)数组排序(BSORT),(3)L矩估计GUMBEL,GEV及GPD参数,(4)检验拟合效果TEST,TEST1.( L moment GEV-GPD calculation, which can be used to calculate distributed parameters of L moment, etc. )

本征正交模态分解法,用于多维随机场特征模态提取，得到特征值及特征向量(proper orthogonal decompositioin)

一般矩阵的schur分解，编译即可运行，需要文件输入(schur decomposition, the program can run successfully, you need a file for input)

frft程序函数，分数阶傅立叶变换，短时傅立叶变换，傅立叶变换(the frft program function, fractional Fourier transform, short-time Fourier transform, Fourier transform)

完成了复数矩阵的计算,采用了并行算法原理，较快速的处理了稀疏矩阵方程结构。(Completed a complex matrix computation, parallel algorithm principle, more rapid processing of the sparse matrix equation structure.)

说明：  使用有限体积法求解naca0012流场，欧拉方程(Using finite volume method to solve NACA0012 flow field, Euler equation)

利用AR模型进行时间序列预测的程序源代码，使用最小二乘估计法进行参数估计。拟合效果非常好。(use AR model for time series prediction of the source code, the use of least squares estimation method to estimate parameters. Fitting very good results.)

计算大气密度的程序 用于航空宇航研究的基础程序(With the code you can getting the atmosphere denisity along the height)