appendix3-vumat

最小二乘算法，最小均方误差等算法的MSE的计算，MATLAB代码(Least-squares algorithm, such as minimum mean square error MSE calculation algorithm, MATLAB code)

calcule de la p-value en c#

说明：  LMF方法解非线性方程组，有例子，可以直接运行！(LMF method to solve nonlinear equations, there are examples, can be directly run!)

有限元方法fortran编程，包括二维三维线性非线性静态分析、稳定流瞬时流分析、振动问题、特征值问题、并行计算等。包含了所有子程序。(Finite element method fortran programming, including 2D and 3D linear and nonlinear static analysis, steady flow transient flow analysis, vibration problems, eigenvalue problems, parallel computing. Contains all subroutines.)

罚函数法 它将有约束最优化问题转化为求解无约束最优化问题: 其中M为足够大的正数, 起"惩罚"作用, 称之为罚因子, F(x, M )称为罚函数.(hunhefahanshufa)

混沌的判断指标Lyapunov指数计算,与理论分析结果相比，可实现对二维数据的聚类。( Chaos indicator for Lyapunov index calculation, Compared with the results of theoretical analysis, Can realize the two-dimensional data clustering.)

说明：  一阶，二阶，三阶，四阶，显式与隐式龙格库塔方程求解常微分方程的matlab代码(Matlab code for solving ordinary differential equations of first, second, third, fourth, explicit and implicit Runge Kutta equations)

说明：  进行PQ分解，计算电力系统潮流的有效方法，应用广泛(PQ decomposition is an effective method for calculating power flow in power system.)

用于学习LBM对流体的研究，可以加深对LBM的理解(LBM fluid)

ABAQUS 显式计算时 用户自定义子材料程序 VUMAT源代码，(User defined subrutine of ABAQUS explicit analysis)