此程序是用C来实现偏微分方程的数值解问题，经测试后正确可行-This program is a C to achieve the numerical solution of partial differential equations correctly after testing feasible

此程序是用C来实现偏微分方程的数值解问题，是并行计算，开MPI,经测试后正确可行-This program is a C to achieve the numerical solution of partial differential equations, parallel computing, and open the MPI correct and feasible, after tests

此程序是用C来实现偏微分方程的数值解问题，并行计算MPI的另一种方法，经测试后正确可行-This program is written in C to achieve the numerical solution of partial differential equations, parallel computing the MPI Another way, after testing is feasible