graphic scale

Hi, I am a new user of matplotlib. I have already plot

    > some data whit it but, I can't find the way to control the
    > axis scales ... I know how to define the min/max number
    > for each axis. Is it possible to define the intermediate
    > scale values ?? For example , the x - axis marks are
    > (automatically) choosen :0 , 0.2 , 0.4 , 0.6 , 0.8 , 1.0
    > Can I have instead the values 0, 0.5 , 1.0 written on the
    > axis ?

You can set the xticks with the following.

  set(gca(), xticks=[0, 0.5 , 1.0])

If you haven't had a chance yet to read the tutorial at
http://matplotlib.sourceforge.net/tutorial.html, it should help
somewhat. See the section "Controlling axes properties"

Cheers,
John Hunter