time=0:10;
temps=[72.5 78.1 86.4 92.3 110.6 111.5 109.3 110.2 110.5 109.9 110.2];
plot(time,temps,'o')
xlabel('Time (s)')
ylabel('Temperature (F)')
plotvals=0:0.1:10;
yvals=interp1(time,temps,plotvals,'linear')
hold on
plot(plotvals,yvals)
yvals=interp1(time,temps,plotvals,'cubic')
plot(plotvals,yvals,'r')
yvals=interp1(time,temps,plotvals,'spline')
plot(plotvals,yvals,'g')