一维抛物方程初边值问题拟多重网格预处理迭代法

Quasi Multigrid Preconditioned Iteration Method for Boundary Value Problem of Parabolic Equations

本文将求解椭圆方程边值问题的拟多重网格预处理迭代法推广到求解抛物方程初边值问题,将多重网格法的优点和预处理方法很好的结合到一起,加快迭代的收敛速度,从而减少解抛物方程的计算量。

In this paper, the fitting multiple grids pretreatment iterative method is used in solving parabolic equations, multigrid method＇s advantages and pretreatment are matrix together, accelerate iteration convergence speed, reducing the amount of calculation solution parabolic equation.