Set length of plot axis

Hi. I plotted a curve which is shaped like a parabola. The peak of paraloba (y=2.5) touches the top border of the box (actually looks like it passes through the border a little and looks bad, imo). How do I increase the height of the top border so there is some white space between the curve and the top border? I tried Google already. Thanks

Answer 1

[Voss]

You can use axis padded

x = -1:0.1:1;
y = 2.5-x.^2;
plot(x,y)
axis padded

Or set the y-limits:

x = -1:0.1:1;
y = 2.5-x.^2;
plot(x,y)
ylim([1.5 2.55])