https://github.com/team-pancho/HDG3D
Tip revision: af0d6cb24c63ad6fa07331f26a5733116db800b7 authored by shukaidu on 29 April 2020, 21:46:21 UTC
Merge pull request #2 from team-pancho/hdg3d_skdu
Merge pull request #2 from team-pancho/hdg3d_skdu
Tip revision: af0d6cb
createTau3d.m
function tau=createTau3d(Nelts,option)
% tau=createTau3d(Nelts,option)
%
% Input:
% Nelts : number of elements
% option : (1) tau = 1
% (2) SFHDG on the first face
% (3) SFHDG on a random face
% Output:
% tau : 4 x Nelts
%
% Last modified: March 14, 2013
switch option
case 1
tau=ones(4,Nelts);
case 2
tau=[ones(1,Nelts);...
zeros(3,Nelts)];
case 3
where=ceil(4*rand(1,Nelts));
tau=sparse(where,1:Nelts,1);
tau=full(tau);
end
return