一维非稳态求解对流扩散方程，很简单适用。-Solving one-dimensional unsteady convection-diffusion equation is very simple to apply.

一维稳态对流扩散方程的求解，很简单的小程序。-One-dimensional steady convection-diffusion equation, a very simple applet.

一维稳态对流扩散方程，边界x=0,x=L,采用中心差分，一阶迎风，混合格式和Quick格式对P=1，5,10作图-One-dimensional steady-state convection-diffusion equation, boundary x = 0 and x = L, the center differential, a first-order upwind, mixed formats and Quick Format P = 1,5,10 mapping

一维对流-扩散方程（稳态或非稳态）求解程序-One-dimensional convection- diffusion equation (steady state or steady state) solver