ejercicio 7

x=linspace(0,5,11);
y=[10 10 16 24 30 38 52 68 82 96 123];
p=polyfit(x,y,2)
x1 = linspace(0,5);
y1 = polyval(p,x1);
figure
plot(x,y,'o')
hold on
size(x1)
size(y1)
plot(x1,y1)

p =

    4.0233    2.0107    9.6783


ans =

     1   100


ans =

     1   100