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Re: help with chunk indexing [message #54641]

Mon, 02 July 2007 05:42

greg.addr
Messages: 160
Registered: May 2007

Senior Member

Here's a simpler way...

IDL> inds = [0,1,1,2,3,3 ,3 ,3]
IDL> n = [1,2,1,4]
IDL> c=[0,total(n,/cum,/int)]
IDL> print,indgen(n_elements(inds))-c[inds]
0 0
1 0 0
1 2 3

For the life of me, I can't remember how to transform n = [1,2,1,4]
==> inds = [0,1,1,2,3,3 ,3 ,3] - I spent ages reading the IDL function
list, but I can't find it...

many greetings,
Greg

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[Message index]

		Re: help with chunk indexing By: greg.addr on Mon, 02 July 2007 05:42
		Re: help with chunk indexing By: Wox on Mon, 02 July 2007 02:53
		Re: help with chunk indexing By: Wox on Tue, 03 July 2007 01:11

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