subplot(411), plot(time,VoANA), grid on, xlabel('time [sec]'), ylabel('Vo ANA [Volt]')
subplot(412), plot(time,VoNUM), grid on, xlabel('time [sec]'), ylabel('Vo NUM [Volt]')
subplot(413), plot(time,Error), grid on, xlabel('time [sec]'), ylabel('Error [Volt]')
subplot(414), plot(time,AveError), grid on, xlabel('time [sec]'), ylabel('Error Rata2 [Volt]')