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Re: Search routines [message #12831 is a reply to message #12829]

Fri, 18 September 1998 00:00

Liam Gumley
Messages: 473
Registered: November 1994

Senior Member

Kenneth P. Bowman wrote:
> IDL has a pretty good SORT routine, but no SEARCH routine that I have been
> able to find (that is, a procedure to find the index of the closest/first
> match in an ordered list). Once again, this can be done with loops, but
> such an implementation would almost certainly be much slower than a
> built-in function. Since searching and sorting are such basic operations,
> does anyone know why there is no SEARCH in IDL?

How about the MIN function, e.g.

array = findgen(100)
value = 37.2
result = min( abs( value - array ), location )
help, location

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]

		Re: Search routines By: bowman on Fri, 18 September 1998 00:00
		Re: Search routines By: Liam Gumley on Fri, 18 September 1998 00:00
		Re: Search routines By: landsman on Fri, 18 September 1998 00:00
		Re: Search routines By: bowman on Fri, 18 September 1998 00:00
		Re: Search routines By: Alexander Proussevitc on Fri, 18 September 1998 00:00
		Re: Search routines By: davidf on Fri, 18 September 1998 00:00

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