Polynomial-arithmetic-calculation

学习用UMAT程序，用于abaqus隐式计算的Johnson-cook模型，有所修改(Learn UMAT program for abaqus Johnson-cook implicit calculation model, some modifications)

基于交替方向乘子法的非负矩阵分解算法，主要用于盲分离(Alternating direction multiplier method based on non-negative matrix factorization algorithm, mainly used for blind source separation)

abaqus在岩土工程中应用，第六章其中的一段源代码，(apply for geotectnical)

卡尔曼滤波的MATLAB程序,卡尔曼滤波的MATLAB程序(MATLAB Kalman filter procedure, the MATLAB Kalman filter process)

时间序列的相空间重构延迟时间和嵌入维数的CC算法(Time series analysis CC algorithm for delay time and embedding dimension)

说明：  MATLAB在线性代数中的一些基本操作，比如矩阵相加等等。(Basic operation of linear algebra)

一种利用梯度下降的加速求解低秩矩阵和稀疏矩阵的方法(accelerated proximal gradient method to find low-rank matrix and sparse matrix)

采用四阶龙格库塔方法进行微分方程解算,用matlab编写的源代码,主要用于四元素微分方程的实时解算(Using fourth-order Runge-Kutta methods for differential equation solvers, prepared to use matlab source code, mainly for the four elements of real-time differential equation solver)

说明：  最优化算法中的二分法，是用MATLAB实现的，经过调试的(Optimization of the dichotomy, is to use MATLAB to achieve, through debugging)

金属材料的随动强化有限元模型，适用于有限元分析的本构模型二次开发(Finite element model of kinematic hardening of metallic materials, constitutive model suitable for finite element analysis of secondary development)