%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%                                                    %
%%  Definition av reaktionstermen c(x) i ekvationen   %
%%                                                    %
%%      -(a(x)*u'(x))' + c(x)*u(x) = f(x)             %
%%                                                    %
%%  Variabler:  x          reellt tal                 %
%%              reaktion   reellt tal                 % 
%%                                                    %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

function reaktion = c(x)

% Funktionen  c(x)
%
% Exempel:  reaktion = x;

reaktion = 0;
