function parametres_MV = max_vraisemblance_2(D_app, parametres_test, sigma)

    nb_tirages = length(parametres_test);

    pi_1 = 0.5;
    pi_2 = 0.5;

    sigma_1 = sigma;
    sigma_2 = sigma;

    p_1 = parametres_test(:,1,:);
    p_2 = parametres_test(:,2,:);

    R = zeros(nb_tirages, 1);
    for i=1:nb_tirages
        R(i, 1) = sum( log( ...
                  pi_1/sigma_1 * exp(- calcul_r(D_app, p_1(i,:)).^2 / 2 / sigma_1.^2) ...
                + pi_2/sigma_2 * exp(- calcul_r(D_app, p_2(i,:)).^2 / 2 / sigma_2.^2) ...
                ) );
    end

    [~, index] = max(R(:,1));
    parametres_MV = [ p_1(index,:) ; p_2(index,:) ];

end