dpb <none@non.net> wrote in message <ke41aa$meh$1@speranza.aioe.org>...
> On 1/27/2013 1:18 PM, gati wrote:
> > dpb <none@non.net> wrote in message <ke13g0$bk7$1@speranza.aioe.org>...
> >> On 1/26/2013 10:33 AM, gati wrote:
> >> > hi! I m getting a graph whose y axis limits are from 0 to 10^8 having
> >> > tick intervals of 1*10^8. Now as my one function plots around 10^8 and
> >> > other somewhere at 10^6. The second function is not visible as the
> >> first
> >> > limit starts from 10^8. So i want to change the limits from 10^0 to
> >> 10^8
> >> > having tick intervals of 10^2. So please help me. I have also tried to
> >> > use  set(gca,'ylim',[0 10^8],
> >> > 'ytick',[0:10^2:10^8],'yticklabel',[0:10^2:10^8]) but this could'nt
> >> worked.
> >>
> >> Won't matter what the tick marks are; the scale difference will be too
> >> great to see the smaller range on the same axis as the larger...
> >>
> >> I see two alternatives
> >>
> >> a) semilogx()
> >>
> >> b) use separate xaxes (essentially plotyy excepting it would be
> >> plotxx) See the documentation for samples on 'using multiple axes'
> >>
> >> Thanks, but now the graph shows below limit 0, now how to ignore
> >> negative limits.
>
> I see somehow I got off on xaxis rather than y but same idea...
>
> Well, if you have numeric values <0 but of such different magnitudes try
> plotyy(). Log() exists only for x>0.
>
> A _short_ sample of the data you're trying to plot might help if there's
> something unusual not explained going on here...
>
thanks dpb,
i got the problem solved,as after using semilogy() i used
ylim([0.1 10^10]) and i got the positve graph.
> 
