showmesh.m

五点差分型多重网格方法：各种插值算子的比较）

function showmesh(node,elem)
% SHOWMESH plots the current mesh determined by node and elem
%
% USAGE
%    showmesh(node,elem)
%
% INPUT 
%     node: coordinate array of all nodes
%     elem: elements 
%

% L. Chen & C. Zhang 11-11-2006

trisurf(elem,node(:,1),node(:,2),zeros(size(node,1),1))
view(2); axis equal; axis off; drawnow;