comp.lang.idl-pvwave archive: archive » Re: hist

Home » Public Forums » archive » Re: hist_norm

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: hist_norm [message #73310 is a reply to message #73309]

Wed, 03 November 2010 07:05

le.davide
Messages: 18
Registered: November 2010

Junior Member

On Nov 3, 1:00 am, Jeremy Bailin <astroco...@gmail.com> wrote:
> On Nov 2, 9:28 pm, le.dav...@tiscali.it wrote:
>
>
>
>> Hi folks,
>> I am trying to use "hist_norm.pro" in a code like that (my first
>> time):
>
>> pro istog, howmanyt
>
>> t = fltarr(howmanyt)
>> N = 20.
>> for k=0, howmanyt-1, 1 do begin
>> t[k] = total(randomu(seed, N))
>> endfor
>
>> a = intarr(howmanyt) + 1
>> hist_norm, t, condition = a
>> end

>
>> I can't figure out why it does not work. Can you help me?
>> Thanks in advance.
>
> On an unrelated note, because my IDL optimization neurons cringe at
> unnecessary for loops, you might want to replace the first part of
> that with:
>
> N = 20L
> t = rebin(randomu(seed, N*howmanyt), howmanyt) * N
>
> Whether that makes any difference depends on how large howmanyt is.
>
> -Jeremy.

Thanks very much. "howmanyt" is something like 10^5.

Anyway, I downloaded all the required files (I suppose that because
now I don't have any error or warning), nevertheless the graphical
result is something far from the expected histogram.

Report message to a moderator

[Message index]

		Re: hist_norm By: David Fanning on Wed, 03 November 2010 09:04
		Re: hist_norm By: penteado on Wed, 03 November 2010 08:51
		Re: hist_norm By: jeanh on Wed, 03 November 2010 08:08
		Re: hist_norm By: David Fanning on Wed, 03 November 2010 07:27
		Re: hist_norm By: le.davide on Wed, 03 November 2010 07:05
		Re: hist_norm By: Jeremy Bailin on Tue, 02 November 2010 22:00
		Re: hist_norm By: David Fanning on Tue, 02 November 2010 19:58
		Re: hist_norm By: le.davide on Tue, 02 November 2010 19:54
		Re: hist_norm By: le.davide on Tue, 02 November 2010 19:51
		Re: hist_norm By: David Fanning on Tue, 02 November 2010 19:48
		Re: hist_norm By: penteado on Tue, 02 November 2010 19:47
		Re: hist_norm By: le.davide on Tue, 02 November 2010 19:37
		Re: hist_norm By: penteado on Tue, 02 November 2010 19:16
		Re: hist_norm By: le.davide on Tue, 02 November 2010 19:10
		Re: hist_norm By: penteado on Tue, 02 November 2010 18:46

Previous Topic:	how to change dialog_message button names ?
Next Topic:	Overplot behalfs strange

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 19:28:10 PDT 2025

Total time taken to generate the page: 0.00463 seconds