ElemMassMatP1.m

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function AElem=ElemMassMatP1(area)
% function AElem=ElemMassMat(area)
%   Computation of the element mass matrix for a triangle with area 'area'
%
% Parameters:
%  area: triangle area
%
% Return values:
%  AElem: `3\times 3` matrix
%
AElem=(area/12)*[2 1 1; 1 2 1; 1 1 2];