function parametres_MV = max_vraisemblance(D_app,parametres_test)
    n = length(parametres_test);
    result_r = zeros(1, n);
    for i = 1:n
        result_r(i) = sum(calcul_r(D_app,parametres_test(i,:)).^2);
    end
    [~,index] = min(result_r);
    parametres_MV = parametres_test(index,:);
end