Using alternating segment explicit implicit method for the variablecoefficient convection diffusion equation. The method has the obvious property of parallelism and is unconditionally stable.
应用交替分段显隐方法求解变系数对流扩散方程，此方法具有很好的并行性且无条件稳定。
2
In this paper, the exact analytic method is suggested to solve variablecoefficient differential equations under arbitrary, boundary condition.
本文首次提出精确解析法，用以求解任意变系数微分方程在任意边界条件下的解。
3
The examples show that variable seepage coefficient of element method is correct.