burgers_exact.m

来自「有关the method of line即MOL算法的matlab代码」· M 代码 · 共 15 行

     function [x] = burgers_exact(z,t)
%...
%... this function computes an exact solution to Burgers' equation
%...
     global mu
%...
     a=(0.05/mu)*(z-0.5+4.95*t);
     b=(0.25/mu)*(z-0.5+0.75*t);
     c=(0.5/mu)*(z-0.375);
%...
     ea=exp(-a);
     eb=exp(-b);
     ec=exp(-c);
%...     
     x=(0.1*ea+0.5*eb+ec)/(ea+eb+ec);