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Re: allocating data to different array on each loop step [message #46257 is a reply to message #46251]

Sun, 13 November 2005 20:52

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Richard G. French writes:

> Well, you can use the EXECUTE command if you want to define the variables on
> the fly:
>
>
>
> pro arrays
> for n=1L,10 do begin
> ;create arrays of different sizes
> array=findgen(n)#findgen(10*n)
> ; construct a command to execute, defining the new variable name
> cmd=string(n,format='("array",I0,"=array")')
> print,cmd
> result=execute(cmd)
> endfor
> help
> end
>
>
> IDL> arrays
> array1=array
> array2=array
> array3=array
> array4=array
> array5=array
> array6=array
> array7=array
> array8=array
> array9=array
> array10=array
> % At ARRAYS 8 /Users/rfrench/arrays.pro
> % $MAIN$
> ARRAY FLOAT = Array[10, 100]
> ARRAY1 FLOAT = Array[1, 10]
> ARRAY10 FLOAT = Array[10, 100]
> ARRAY2 FLOAT = Array[2, 20]
> ARRAY3 FLOAT = Array[3, 30]
> ARRAY4 FLOAT = Array[4, 40]
> ARRAY5 FLOAT = Array[5, 50]
> ARRAY6 FLOAT = Array[6, 60]
> ARRAY7 FLOAT = Array[7, 70]
> ARRAY8 FLOAT = Array[8, 80]
> ARRAY9 FLOAT = Array[9, 90]
> CMD STRING = 'array10=array'
> N LONG = 11
> RESULT INT = 1

Humm. I thought he was looking for "efficient". Oh, well,
I guess the old garage sale adage holds for science
concepts, too: What's junk to me, is a treasure for you! :-)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: allocating data to different array on each loop step By: Paolo Grigis on Mon, 14 November 2005 00:49
		Re: allocating data to different array on each loop step By: David Fanning on Sun, 13 November 2005 20:52
		Re: allocating data to different array on each loop step By: Richard French on Sun, 13 November 2005 19:31
		Re: allocating data to different array on each loop step By: snfinder@naver.com on Sun, 13 November 2005 19:25
		Re: allocating data to different array on each loop step By: Richard French on Sun, 13 November 2005 18:02
		Re: allocating data to different array on each loop step By: snfinder@naver.com on Sun, 13 November 2005 17:50
		Re: allocating data to different array on each loop step By: David Fanning on Sat, 12 November 2005 08:25
		Re: allocating data to different array on each loop step By: snfinder@naver.com on Sat, 12 November 2005 04:10
		Re: allocating data to different array on each loop step By: R.Bauer on Sat, 12 November 2005 03:08

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