%Ejemplo de fit

x=[0,1,2,3,4,5,6,7,7.44];
y=[0,4.03,8.12,14.23,20.33,27.1,34.53,42.63,46.43];
p=polyfit(x,y,2)

%gráficos
hold on
plot(x,y,'ro','markersize',4,'markerfacecolor','r')
z=@(x) polyval(p,x);
fplot(z,[x(1),x(end)])
xlabel('x')
ylabel('y')
grid on
title('Polinomio aproximador')
hold off