% fonction de frequence de collision

% % Kernel constant
function freq=q(x,y)
freq=1;

% % Kernel somme
% function freq=q(x,y)
%freq=x+y;

% Kernel produit
% function freq=q(x,y)
%freq=x*y;
 
 %Kernel brownien
 %freq=(x+y)*(1/x+1/y);


%-------------------------------------------------------------------------
% Condition de diametre maximal
%-------------------------------------------------------------------------

%function freq=q(x,y)
% global nc REPAR X Vmaxphy
% if (x+y) >  Vmaxphy
% 	effic = 0;
% 	else
% 	effic = 1;
% end
% freq=effic*(x^.333+y^.333)^3;