谱元法地震波模拟研究，能够有效地进行波动方程处理和模拟-Spectral element simulation of seismic wave, wave equation can be efficiently processed and simulation

一、椭圆型偏微分方程 1. Helmholtz方程 及 特例（Possion方程， Laplace方程）； Helmholtz.m possion 2. 满足牛顿边值条件的Helmholtz方程；Helmholtz_Newton.m 二、抛物线型偏微分方程 1. 显式前向欧拉法 EF_Euler.m 2. 隐式后向欧拉法 IB_Euler.m 3. Grank-Nicholson法 Grank_Nicholson.m 4. 二

一维流体波动方程的源代码，利用伯克斯方程作为控制方程，有限差分的方法解决问题。-Source code is a one-dimensional fluid wave equation, as a method of controlling the use of Burks equation equations, finite difference solution to the problem.

声波波动方程数值模拟，时间2阶空间12阶，PML吸收边界条件，及组合地震照明程序，对地震初学者有很大帮助-Numerical simulation of acoustic wave equation, time, second-order space 12 order, PML absorbing boundary conditions, and a combination of earthquake lighting program, the earthquake of great help