Based on an asymptotic expansion of finite element,a new extrapolation formula and extrapolation cascadic multigrid meth......

We present a new cascadic multigrid for elliptic problems....

对瀑布型多重网格（CMG）法和代数多重网格（AMG）法进行组合，提出一种新的求解二维椭圆型边值问题的瀑布型代数多重网格（CAMG）法，并进行数值实......