comp.lang.idl-pvwave archive: archive » Re: Distance between two sets of datapoints

Home » Public Forums » archive » Re: Distance between two sets of datapoints

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

Re: Distance between two sets of datapoints [message #70228 is a reply to message #70223]

Fri, 26 March 2010 06:11

Kenneth P. Bowman
Messages: 585
Registered: May 2000

Senior Member

In article
<eb0d2a64-900b-4c9e-9599-699dcd3da17b@k4g2000prh.googlegroups.com>,
Maxwell Peck <maxjpeck@gmail.com> wrote:

> Thanks Ken, I'll give it a shot. I had tried a similar loop (I
> thought) but it seemed to be very slow that is why i was looking at
> vectorising it similar to distance_measure.
>>
>> FOR i = 0, nb-1 DO dist[0,i] = SQRT((xb[i] - xa)^2 + (yb[i] - ya)^2)

This should vectorize reasonably well if na is large and nb is
not too large.

Ken

Report message to a moderator

[Message index]

		Re: Distance between two sets of datapoints By: Maxwell Peck on Fri, 26 March 2010 15:11
		Re: Distance between two sets of datapoints By: Kenneth P. Bowman on Fri, 26 March 2010 06:11
		Re: Distance between two sets of datapoints By: Gray on Fri, 26 March 2010 06:16
		Re: Distance between two sets of datapoints By: Maxwell Peck on Thu, 25 March 2010 12:38
		Re: Distance between two sets of datapoints By: Kenneth P. Bowman on Thu, 25 March 2010 12:04
		Re: Distance between two sets of datapoints By: Kenneth P. Bowman on Thu, 25 March 2010 07:55
		Re: Distance between two sets of datapoints By: Maxwell Peck on Thu, 25 March 2010 03:46

Previous Topic:	Re: Highlight default button
Next Topic:	IDL licensing

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 06:19:07 PDT 2025

Total time taken to generate the page: 0.48100 seconds