dpb <email@example.com> wrote in message <firstname.lastname@example.org>... > On 2/28/2013 9:28 AM, dean86 wrote: > > Hi everyone, > > I'm sorry for the problem that I'm going to explain you which maybe is > > something stupid but I am a beginner. I have this plot where on the y > > axis I need to have as minimum value 9.90e+14 and max value 1.10e+19. I > > tried to use the command "axis" or "ylim" but I always have 0 as first > > point in my plot and because of this it seems I have some zero points on > > my graph but it's not true if you get a big zoom. So, do you know how I > > can fix this problem? > > Thank you in advance to everyone. > > Don't multiple-post the same question. Follow-up on the question > responded to in the other thread--altho I'll note that w/ a magnitude of > 10E19 the problem is probably one of resolution..try semilogy() if your > data is all >0 > > -- I'm sorry to have replied the message but I didn't see my nickname (it isn't dpb) so I thought that, who knows why, my post was deleted. Anyway thank you very very much for your advice, I didn't know there is a specific command to plot in log scale, as I wrote, I'm a beginner. Thanks again.