Cascadic multigrid methods represent a class of iterative solvers that have been developed to efficiently tackle the large-scale linear systems arising from the discretisation of partial differential ...

This is a preview. Log in through your library . Abstract From the literature it is known that the conjugate gradient method with domain decomposition preconditioned is one of the most efficient ...

A full multigrid method and fourth-order compact difference scheme is designed to solve the 3D Helmholtz equation on unequal mesh size. Three dimensional restriction and prolongation operators of the ...