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Undocumented array indexing feature? [message #14114]

Thu, 21 January 1999 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

Here's a way to index an array I hadn't seen before:

a = indgen(10,10)
x = [3,5,8,9]
y = [2,7]
print, (a[x,*])[*,y]
23 25 28 29
73 75 78 79

Does anyone know where this feature (i.e. enclosing an array with
parentheses and appending an index) is documented? I couldn't find it in
my printed IDL 5.0 documentation.

Cheers,
Liam.

---
Liam E. Gumley
Space Science and Engineering Center, UW-Madison
1225 W. Dayton St., Madison WI 53706, USA
Phone (608) 265-5358, Fax (608) 262-5974
http://cimss.ssec.wisc.edu/~gumley

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[Message index]

		Undocumented array indexing feature? By: Liam Gumley on Thu, 21 January 1999 00:00
		Re: Undocumented array indexing feature? By: Martin Schultz on Tue, 26 January 1999 00:00
		Re: Undocumented array indexing feature? By: R.Bauer on Tue, 26 January 1999 00:00

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