Newmark

本程序可以实现在交错网格条件下的三维有限差分正演模拟(This procedure can be achieved under the conditions of the staggered grid finite difference forward modeling)

姿态更新算法之一：方向余弦法,直接求解姿态矩阵微分方程(Attitude updating algorithm: direction cosine method, the direct matrix differential equation solving attitude)

一个简单的CZT chirp-Z变换例程(a simple example of CZT)

fortran based code for 1d heat equation

汪荣江关于计算地震几个很经典的程序，有详细的ppt和源码解释，适合初学者练习使用，有版权保护，学习即可。(Calculate seismology.)

这是前推回代法求解三相不平衡配电网的潮流计算，适合各种情况下的节点。(This is the forward and backward substitution method to solve the three-phase unbalanced distribution network power flow calculation, suitable for a variety of situations node.)

说明：  uel fortran code for CPE4 with analysis of beam example

2D FDTD TE mode with a plane wave source and a PML abc

说明：  解大规模线性方程组的预条件Gmres方法.系数矩阵可以非对称正定.(Solution of large-scale linear equations of the preconditioned GMRES method. Coefficient matrix can be non-symmetric positive definite.)

基于R程序的malmquist-luenberger 指数的计算源代码。(Malmquist- luenberger index calculation based on R program source code.)