comp.lang.idl-pvwave archive: archive » Re: more for-loops vs. arrays

Home » Public Forums » archive » Re: more for-loops vs. arrays

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

Re: more for-loops vs. arrays [message #19340 is a reply to message #19337]

Wed, 08 March 2000 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Brian Reardon (reardonb@my-deja.com) writes:

> I also have a For-loop vs. array question.
> I want to fill an array with a random sequence of
> 1's and 0's. This works:
>
> array1 = intarr(5,4)
> for I=0,4-1 do begin
> for II=0,5-1 do begin
> array1[II,I] = round(randomu(s))
> endfor
> endfor
>
> but can I do it without for loops?

My Goodness! Here is one even *I* know how to do. :-)

Print, Floor( RandomU(seed, 5, 4) * 2 )

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

Report message to a moderator

[Message index]

		Re: more for-loops vs. arrays By: reardonb on Wed, 08 March 2000 00:00
		Re: more for-loops vs. arrays By: Steve Hartmann on Wed, 08 March 2000 00:00
		Re: more for-loops vs. arrays By: davidf on Wed, 08 March 2000 00:00
		Re: more for-loops vs. arrays By: Ben Tupper on Wed, 08 March 2000 00:00

Previous Topic:	interpolation around a contour
Next Topic:	Re: How do you get rid of for-loops with arrays

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 07:34:52 PDT 2025

Total time taken to generate the page: 0.40316 seconds