FDTD2D_UPML

bellman-ford算法，典型最短路算法，用于计算一个节点到其他所有节点的最短路径(bellman-ford algorithm, a typical shortest path algorithm for computing a node to all other nodes of the shortest path)

差声波检测混凝土的反演计算，通过超声波对未知损伤损伤程度的混凝土进行检测，检测出其损伤程度(Poor acoustic detection of concrete inversion, the unknown damage by ultrasonic concrete testing the degree of injury, to detect the degree of injury)

符号积分法，有中文注释，大家试试，供参考学习~(Symbolic integration, notes in Chinese, we try, for reference to learn ~)

求解最短路算法，，， 赋路径初值 更新 显示迭代步数 显示每步迭代后(solve the lest distance)

可进行最小二乘法线性拟合输出，包含源代码及生成后的程序(Least-squares linear fit can be output)

PMV，的热舒适指标计算程序VB编码，可供参考(PMV, thermal comfort index calculation program VB code, for reference)

4阶龙格库塔解二阶微分方程，使用matlab软件编程进行渐进计算。(4th order Runge-Kutta solution of second-order equations)

使用matlab进行 有限元计算，内含多种方式方法，欢迎交流讨论(Finite element calculation using matlab)

计算材料学中用相场法模拟合金凝固相变的程序(Computational Materials Science using phase-field simulation of solidification phase change process)

利用ARIMA处理分析时间序列，计算数列相关性和数字特征并通过计算所得值进行一定范围的预测(ARIMA processing analysis time sequence, to calculate a number of columns and digital characterized by the calculated value for a certain range of the prediction)