comp.lang.idl-pvwave archive: archive » vectorising versus loops

Home » Public Forums » archive » vectorising versus loops

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: vectorising versus loops [message #38441 is a reply to message #38146]

Sun, 07 March 2004 09:24

Craig Markwardt
Messages: 1869
Registered: November 1996

Senior Member

nasalmon@onetel.net.uk (Neil) writes:
...
>
> However, there is one small outstanding problem in the vectorisation,
> and this involves vectorisation of a routine that uses the cross or
> vector product, the IDL routine being CROSSP, generating a vector from
> the cross product of two vectors.
>
> Currently i am forced to use this in a loop, as my vectorising
> attempts (see below) have failed. The loop statement below gives the
> correct result (i being the counter of one of the outer loops):
...

Neil, how about using CROSSPN, a vectorized cross product function for
just such purposes?

Craig

P.S. http://cow.physics.wisc.edu/~craigm/idl/idl.html (under Math)

--
------------------------------------------------------------ --------------
Craig B. Markwardt, Ph.D. EMAIL: craigmnet@REMOVEcow.physics.wisc.edu
Astrophysics, IDL, Finance, Derivatives | Remove "net" for better response
------------------------------------------------------------ --------------

Report message to a moderator

[Message index]

		vectorising versus loops By: nasalmon on Sun, 22 February 2004 10:16
		Re: vectorising versus loops By: Norbert Hahn on Tue, 24 February 2004 02:13
		Re: vectorising versus loops By: Craig Markwardt on Mon, 23 February 2004 16:04
		Re: vectorising versus loops By: Craig Markwardt on Sun, 07 March 2004 09:24
		Re: vectorising versus loops By: nasalmon on Fri, 26 March 2004 11:34
		Re: vectorising versus loops By: stimmins on Mon, 12 April 2004 13:14
		Re: vectorising versus loops By: David Fanning on Fri, 26 March 2004 11:47

Previous Topic:	Re: resizing image
Next Topic:	IDL jobs anyone?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 22:09:10 PDT 2025

Total time taken to generate the page: 0.71532 seconds