% -*- texinfo -*-
%
% @deftypefn {Function File} @
% {@var{A}} = BIM1Alaplacian (@var{mesh}, @var{epsilon})
%
% Builds the finite-element matrix for the
% discretization of the LHS
% of the equation
% @iftex
% @tex
% $ -( \varepsilon \gamma ( u' ))' = f $
% @end tex
% @end iftex
% @ifnottex
% - (@var{epsilon} ( u' ))' = f
% @end ifnottex
%
% where:
% @itemize @minus
% @item @var{epsilon}: elemental values of an piece-wise constant function
% @end itemize
%
%
% @seealso{BIM1Arhs, BIM1Areaction}
% @end deftypefn