一阶声波方程波场模拟，采用的是交错网格，二阶精度，pml边界-A first-order wave equation of wave-field simulation, using the staggered grid, second order accuracy, pml boundary

地震波方程的时间空间二阶差分的数值模拟，程序用vc++6.0调试,需要matlab绘图-Seismic wave equation of time and space second-order difference of the numerical simulation, the program used vc++ 6.0 debugging, need matlab graphics

声波二阶方程空间十阶时间二阶在一维情况下的变网格数值模拟-Second-order wave equation of second order in time space 10 in One-Dimensional Numerical Simulation of Variable Grid

该程序为地震波数值模拟程序，基于声波方程二阶有限差分格式，程序中参数已经进行了说明，对于初学地震波数值模拟的朋友很有帮助。该程序为matlab编制，可以直接进行成图，所得图形为波场快照(The program is a seismic wave numerical simulation program. Based on the second-order finite difference format of the acoustic wave equation, the parameters