Johnson-Cook User subroutine VUMAT

计算几个复杂的天气诊断指数，最大对流稳定度指数，下沉对流有效位能，风暴强度指数等(The complexity of calculating the number of diagnosis index of the weather, the largest index of convective stability, subsidence CAPE, storm intensity index)

matlab计算的自适应阈值分隔，非常好用，适用于初学者(matlab adaptive threshold calculation separated, very useful for beginners)

有限元法计算程序，运用三角单元，进行线性插值，处理平面问题。(finite element method)

说明：  finite element theory

说明：  最小二乘一次完成算法，C语言编写，源码，调试通过。(A complete least-squares algorithm, C language, source code, debugging through.)

读取RENIX文件（GPS导航电文），进行卫星轨道坐标解算，并将结果生成TXT文件输出。(The program can read standard RENIX file(Satellite navigation message file of GPS). and calculate the cordinate of Satellite (X,Y,Z). it will give an TXT format result.)

matlab的smote算法，可以用于分类时样本数据不平衡的问题(matlab smote algorithm, can be used to sample data classification problem of unbalanced)

说明：  c语言编写的高效用LU分解法求任意维数的矩阵的逆，它是经典书籍《算法导论》（第二版）中矩阵求逆的c语言实现。 (The algorithm of matrix inverse is based on LU decomposition which is proposed by the book of introduction to algorithm (second edition).)

很好的最小二乘求解工具，经典算法的c语言版本实现(A MINPACK-1 Least Squares Fitting Library in C)

矩阵求逆，使用fortran语言编写，希望能对有需要的朋友有所帮助(Matrix inversion, written in FORTRAN language, hoping to help friends in need)