UMAT-Example

基于热焓法的凝固传热模拟的UFluent-UDF程序(UDF for Modelling Soldification using Enthalpy Porosity Technique)

matlab最全纹理特征代码，灰度共生矩阵软件自带，就不传了。里面有tamura六个参数，灰度梯度共生矩阵的纹理特征，还有熵。(matlab the best texture feature code, the GLCM software comes not passed. Tamura six parameters, the shades of gray co-occurrence matrix texture features, as well as entropy.)

四杆桁架结构的有限元分析程序，在VS2008软件中使用C++语言编写，输入为四杆桁架结构的节点坐标，材料参数，边界条件，输出为各节点的应力和应变。(Four-bar truss structure finite element analysis program, the use of C++ written in VS2008 software, input node coordinate the four-bar truss structure, material parameters, boundary conditions, the output of the stress and strain of each node.)

使用matlab编写的时域有限差分法，pec边界的光子晶体。(Written using matlab finite difference time domain method, pec boundary of the photonic crystal.)

说明：  研究舍入误差的例程，可以帮助初学计算方法的人。(Of rounding error in the routine that can help beginners who calculation.)

说明：  在matlab实现基于Schmidt的QR分解，共轭梯度法等(QR decomposition based on Schmidt in MATLAB)

多目标跟踪的粒子滤波器，各种kalman滤波器的设计，采用加权网络中节点强度和权重都是幂率分布的模型。( Multi-target tracking particle filter, Various kalman filter design, Using weighted model nodes in the network strength and weight are power law distribution.)

C语言矩阵求逆模块,输入矩阵调用此模块即可求出对应的逆矩阵(C language matrix inversion module)

二维Euler方程的Jameson求解方法(Jameson solution of two-dimensional Euler equations)

％ SSOR预处理的共轭梯度法求解方程Ax=b ％ 输入参数说明 ％ A 正定矩阵[n*n] ％ b 右边向量 ％ omega SSOR预处理参数(0--2) ％ Times 迭代次数 ％ errtol 给定误差终止条件 ％ ％输出参数 ％ NewX 方程Ax=b的x近似解 ％ avgerr 求解的当前平均绝对误差( SSOR preconditioning conjugate gradient method for solving equations Ax = b the input parameter descriptions A positive definite matrix [n* n] b right side vector omega SSOR preconditioning parameters (0- 2) Times iterations errtol termination of a given error condition NewX output parameter equation Ax = b of x approximate solution to solve the current avgerr average absolute error)