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Re: Data elimination from array [message #51924 is a reply to message #51799]

Sat, 09 December 2006 16:08

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

Braedley wrote:
> And after some optimizations of your code, Mike, it's on par with mine,
> so I offer up the choice to you, Steven.

OK, I took out all the repetitive calls to N_ELEMENTS and fixed the bugs
on array2, array3, array4 which were all identical to array1.

I think the only real difference is stride notation versus creating an
index array.

array = findgen(21446656)
nlen = 1792

n = n_elements(array)
r = reform(array, nlen, n / nlen)
array1 = reform(r[*, 0:*:4], n / 4)
array2 = reform(r[*, 1:*:4], n / 4)
array3 = reform(r[*, 2:*:4], n / 4)
array4 = reform(r[*, 3:*:4], n / 4)

Mike
--
www.michaelgalloy.com

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[Message index]

		Data elimination from array By: StevenM on Fri, 08 December 2006 09:07
		Re: Data elimination from array By: Michael Galloy on Sat, 09 December 2006 16:08
		Re: Data elimination from array By: Braedley on Fri, 08 December 2006 18:55
		Re: Data elimination from array By: Braedley on Fri, 08 December 2006 18:40
		Re: Data elimination from array By: Michael Galloy on Fri, 08 December 2006 13:59
		Re: Data elimination from array By: Bob[3] on Fri, 08 December 2006 13:51
		Re: Data elimination from array By: Bob[3] on Fri, 08 December 2006 13:25

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