umat+hill

用幂法反幂法求解方阵的最大最小特征值及其特征向量，C语言程序，基本的数值计算算法(power method and inverse power method)

基于灰色系统方法的离散多目标优化设计程序，很好用(Based on gray system method of discrete multi-objective optimization design process, well used)

从旋转矩阵到四元数的转换，matlab代码。(From the rotation matrix to quaternion conversion, matlab code.)

Abaqus定义材料本构用户子程序-VUMAT(Abaqus defined material constitutive user the subroutine-VUMAT )

LAPACK，其名為Linear Algebra PACKage的縮寫，是一以Fortran程式語言寫就，用於數值計算的函式集。 LAPACK提供了豐富的工具函式，可用於諸如解多元線性方程式、線性系統方程組的最小平方解、計算特徵向量、用於計算矩陣QR分解的Householder轉換、以及奇異值分解等問題。(LAPACK (Linear Algebra PACKage) is a software library for numerical linear algebra. It provides routines for solving systems of linear equations and linear least squares, eigenvalue problems, and singular value decomposition. It also includes routines to implement the associated matrix factorizations such as LU, QR, Cholesky and Schur decomposition.)

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)

把十六进制数转换为十进制数，简单方便！能用于串口通信数据处理中(The hexadecimal number is converted to a decimal number, is simple and convenient! Can be used for serial communication data processing)

能够实现二维边界造波，且自带消波，能够较好地模拟波浪荷载。(with a prgram of eliminating wave,it can be used to achieve boundry wave.)

说明：  通过面积加权在abaqus程序中提取温度作用数据，计算极值(The temperature action data was extracted by area weighting in abAQUs program and the extreme value was calculated)

用于研究粒子在晶体材料内输运性质，计算扩散系数的动力学蒙特卡洛程序( Kinetic Monte Carlo program is used to study particle transport properties in crystalline materials, the calculation of the diffusion coefficient Kinetic Monte Carlo program is used to study particle transport properties in crystalline materials, the calculation of the diffusion coefficient)