Not enough input arguments hatası alıyorum

x= {500 1100 1500 2000 2500 3000 5000 8000 10000 13000 15000 15900 20000 25000 30000 35000 40000 50000 60000 70000 80000 90000 10000 110000 150000 200000 250000 30000};
y={32.5 15.18 11.24 8.38 6.5 4.7 3.05 2.08 1.73 1.48 1.33 1.29 1.40 1.62 1.77 2 2.21 2.73 3.15 3.58 4.16 4.52 5.2 5.7 7.4 10.4 18.9 26.6};
grid on ;
title('frequency-gain graph');
xlabel('frequency');
ylabel('gain');

plot(x,y);