Home > freetb4matlab > bim > BIM3Alaplacian.m

BIM3Alaplacian

PURPOSE ^

% {@var{A}} = BIM3Alaplacian (@var{mesh}, @var{alpha}, @var{eta})

SYNOPSIS ^

function [A] = BIM3Alaplacian (mesh,alpha,eta)

DESCRIPTION ^

% -*- texinfo -*-
% @deftypefn {Function File} @
% {@var{A}} = BIM3Alaplacian (@var{mesh}, @var{alpha}, @var{eta})
%
% Builds the Laplacian matrix for the discretization of the LHS of the
% equation:
% 
% @iftex 
% @tex
% $ -div ( \alpha  ( \eta \vect{\nabla} u ) $
% @end tex 
% @end iftex 
% @ifinfo
% -div (@var{alpha} (@var{eta} grad u ) = f
% @end ifinfo
% 
% where: 
% @itemize @minus
% @item @var{alpha}: element-wise constant scalar function
% @item @var{eta}: piecewise linear conforming scalar functions
% @end itemize
%
% @seealso{BIM3Arhs, BIM3Areaction, BIM3Cmeshproperties}
% @end deftypefn

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:
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