nactidx.m

来自「解决麦克斯韦的matlab源文件」· M 代码 · 共 7 行

function act_idx = Nactidx(mesh)
% get index numbers of active vertices for p1 nodal elements
%
% mesh -> data structure for 2D triangulation

act_idx = [2*find(mesh.vl(:,1) == 0); 2*find(mesh.vl(:,2) == 0)-1];