最小二乘曲线拟合

非负矩阵分解在矩阵计算中具有重要意义，这是NMF非负矩阵分解实验室完整代码。(non-negtive resolution)

用C语言来求解n维线性方程组的解，即高斯消元法求解线性方程组(Gaussian elimination method with n-dimensional linear equations)

美国汪利宏的蒙特卡洛及卷积模拟程序，可以模拟top-hat光束和高斯光束在生物组织中的传输(U.S. WANG Li-hong of the Monte Carlo and convolution simulation program can simulate the top-hat beam and Gaussian beam transport in tissue)

矩阵的练习 对于掌握数组的 概念很重要。如何快速掌握数组，灵活运用。(The practice of the matrix is ​ ​ very important to grasp the concept of the array. How to quickly grasp the array of flexible use.)

Gambit用户使用说明书(中文版), Gambit是CFD商用软件Fluent的前处理软件,主要作用是建立网格模型,其功能(Gambit user manual (Chinese version), Gambit is the pre-processing software of CFD commercial software Fluent, the main function is to build grid model, its function)

说明：  二分法求方程数值解，程序含说明性文字，精度可调(The numerical solution of the equation is obtained by dichotomy. The program contains explanatory text and the precision is adjustable)

说明：  带有不等式/等式约束的加速粒子群算法（apso），主要通过罚函数来进行约束，速度较快，可处理带约束问题(Accelerated particle swarm optimization (APSO) with inequality / equality constraints, which is mainly constrained by penalty function, is fast and can deal with constrained problems)

读取csv文件的数据，按要求拉算出平均数(Read csv file data, calculate the average number required to pull)

BESO的python程序，对于进行abaqus的二次开发很有帮助，这样可以将有限元单独在abaqus中进行处理，而优化算法则采用python进行编写(BESO python program, for the secondary development abaqus helpful, so that the finite element can be handled separately in abaqus, while the optimization algorithm is written in python)

说明：  求解二维亥姆霍兹方程的fortran程序，包含网格文件。(Fortran two-dimensional Helmholtz equation solving procedures, including the grid file.)