Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


dpb
Posts:
9,669
Registered:
6/7/07


Re: change of tick intervals
Posted:
Jan 27, 2013 3:05 PM


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...



Date

Subject

Author

1/26/13


dpb

1/27/13


dpb


