frictional model and umat

传热计算，有限差分法对传导方程进行离散，纯隐式差分(numerical heat transfer)

对大量数据的差值与拟合算法的Matlab实现，基于多用思想(The difference of large amounts of data fitting algorithm of the Matlab implementation, based on multi-thinking)

计算重力异常,只需要输入最大重力场模型的最大阶数以及重力场模型文件名在程序里设置经纬度范围和间隔即可得到重力异常(Gravity anomaly)

说明：  umat abaqus plasticity

隐式高斯法求解三相不平衡配电网的潮流计算，很实用，欢迎下载。(Implicit Gaussian method for solving three-phase unbalanced load flow calculation of the distribution network, very practical, welcome to download.)

ar谱估计，分别用了最小二乘法和yulewalker法。(ar spectrum estimation, least squares method were used and yulewalker law.)

电容层析成像的ART算法演示实例,并带有详细的说明(An Example of ART Algorithm for Electrical Capacitance Tomography)

很详细的一维FDTD介绍，以及MATLAB程序说明(Very detailed one-dimensional FDTD presentation and description of the MATLAB program)

PSO Code with visulation pro[erlyyy

一种继续概率学习矩阵的优化算法，优化精度和计算时间都很不错，是目前基本最好的启发式算法，里面有测试函数(A continuing study probability matrix optimization algorithm to optimize the accuracy and computational time is very good, the best is the basic heuristic algorithm, which has test function)