Re: Setting grid with personalized scale

[Renato S. Yamane]

On 25-11-2009 10:07, Ben Abbott wrote:
> On Nov 25, 2009, at 5:45 AM, Renato S. Yamane wrote:
> > I'm using semilogx to generate my graph, but I would like to get a
> > x-axis like this:
> > <http://www.elitebastards.com/hanners/auzentech/forte/charts/rmaa/noise96.png>
> >
> > But octave is generating a x-axis with grids 10, 100, 1000, 10000, 100000.
> >
> > Is possible personalize the grid?
>
> Does this do what you need?
>
> clf
> x = 1:1000;
> semilogx (x, sqrt(x))
> a = [1, 2, 3, 5];
> xtick = [a, 10*a, 100*a, 1000];

So, xtick is:
1, 2, 3, 5, 10, 20, 30, 50, 100, 200, 300, 500, 1000

> set (gca, 'xtick', xtick)

What it does?

> set (gca, 'xticklabel', 
> {'1','2','3','5','10','20','30','50','100','200','300','500','10k'})

So sorry for this questions, I did it because I try change somethings in 
your suggestion but it don't work...

Like this:
- X-axis:
20, 30, 50, 100, 200, 300, 500, 1k, 2k, 3k, 5k, 10k, 20k

Regards,
Renato