How to plot a shaded range between a min and max y value for the same x value

How do I plot to create an image this this. For each x value I have minimum and maximum values. As shown in the image in the link below:

http://postimg.org/image/75z65xvoz/

Thank you very much

Answer 1

[Mischa Kim]

Oliver, something like this?

 t  = 0:0.1:10;
 y1 = sin(t);
 y2 = sin(t + 0.1) + 0.5;
 y3 = cos(t).^2;
 y4 = cos(t + 0.2).^2 - 0.2;

 figure
 hold on
 fill([t fliplr(t)],[y2 fliplr(y1)] ,'r')
 fill([t fliplr(t)],[y4 fliplr(y3)] ,'b')
 grid
 alpha(0.15)