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Re: Sort and Where [message #20497 is a reply to message #20489]

Thu, 29 June 2000 00:00

Ivan Zimine
Messages: 40
Registered: February 1999

Member

Simon de Vet wrote:
>
> I assumed that this would sort both in the order of the y-coordinates.
> However, when I use these values, my negative values reappear.

'sort' does not sort input array but returns subscipts for sorting

IDL> x = [3,1,4,5]
IDL> print, sort(x)
1 0 2 3
; does input array have 0?
IDL> print, x(sort(x))
1 3 4 5

hope this helps
Ivan

--
Ivan Zimine | ivan.zimine@physics.unige.ch
Dpt. of Radiology | (+41 22) 372 70 70
Geneva University Hospitals |

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		Re: Sort and Where By: Simon de Vet on Fri, 30 June 2000 00:00
		Re: Sort and Where By: Ivan Zimine on Thu, 29 June 2000 00:00

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