function ggsecond(A)
gg(A);
D = diag(diag(A));
t = linspace(0, 1, 100);
for j = 1 : length(t)
	autovalori = eig(t(j) * D + (1 - t(j)) * A);
	plot(real(autovalori), imag(autovalori), 'b.');
end
end
