function estimation = moindres_carres_bis(d, y, bords_g, beta_0, bords_d, gamma_0)

    x = [bords_g ; bords_d];
    
    F = x - [beta_0 * bernstein2(0, d, y) ; gamma_0 * bernstein2(0, d, y)];

    E_block = zeros(length(y), d);
    for i=1:d
        E_block(:,i) = bernstein2(i, d, y);
    end

    E = [E_block(:,1:d-1) zeros(length(y), d-1) E_block(:,d) ; zeros(length(y), d-1) E_block];

    estimation = E \ F;

end