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Re: Hello [message #91443 is a reply to message #91415] Wed, 15 July 2015 19:12 Go to previous message
hana303132 is currently offline  hana303132
Messages: 5
Registered: July 2015
Junior Member
بتاريخ الجمعة، 10 يوليو، 2015 11:00:59 م UTC+3، كتب hana3...@gmail.com:
> بتاريخ الجمعة، 10 يوليو، 2015 9:45:29 م UTC+3، كتب Jeremy Bailin:
>> 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.
>
> I will try that
>
> Thanks


Hi,

I have tried this but it does not appear until now

Please help me
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