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Re: Hello [message #91412 is a reply to message #91401]

Fri, 10 July 2015 11:45

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Thursday, July 9, 2015 at 11:14:12 AM UTC-4, hana3...@gmail.com wrote:
> Hello there,
>
> I'm a new totally in Idl. So, I need your help
>
> Actually, I've plotted two axis, consisting of x-axis which represents color index ( e.g. r-i) and y-axis which represents magnitude (e.g. r) and inside the plot, there is objects (stars) lie in the models which represents log (g) ( g surface gravity ranging from 7.0 to 9.5) and stars lie between them. Now, I need to estimate logg for each stars and I have written the code. Unfortunately, my code does not work.
>
> This my code,
>
> x=fltarr(r-i) ; x-axis
> y=fltarr(r) ; y-axis
> xx=findgen(6)/20-0.72 ; logg
>
> n=0
> while n lt number_of_wd do begin
> j=0
> while j lt number_of_stars do begin
> linterp,x,y,xx,yy
> endif
> j=j+1
> endwhile
> n=n+1
> endwhile
> print,transpose(yy)
> end
>
> I'm waiting your suggestions and your help (Please help me)
>
> thanks
> Hana

Look at your definitions of x and y.

FLTARR creates a new array of length its argument that initially contains zeros. I don't think that's what you want -- perhaps you just want:

x = r-i
y = r

-Jeremy.

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[Message index]

		Hello By: hana303132 on Thu, 09 July 2015 08:14
		Re: Hello By: Helder Marchetto on Thu, 09 July 2015 08:22
		Re: Hello By: hana303132 on Thu, 09 July 2015 08:54
		Re: Hello By: Jeremy Bailin on Fri, 10 July 2015 11:45
		Re: Hello By: hana303132 on Fri, 10 July 2015 12:59
		Re: Hello By: hana303132 on Fri, 10 July 2015 13:00
		Re: Hello By: hana303132 on Wed, 15 July 2015 19:12

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