comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » Adding arrays

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

Re: Adding arrays [message #91474 is a reply to message #91473]

Fri, 17 July 2015 11:36

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

David Fanning writes:

>
> Dete van Eeden writes:
>
>> How do I define an array that consists of 5 arrays each with 256x256 elements?
>>
>> For example final(k) is the sum of the arrays from 1 to 5 and final=fltarr(256,256)
>>
>> It seems so simple but I cant get it right :-)
>
> total = FltArr(256,256)
> data = FltArr(256, 256, 5)
> FOR j=0,4 do total = Temporary(total) + data[*,*,j]

Or, the IDL Way:

data = Randomu(seed, 256,256,5)
total = Total(data, 3)

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

Report message to a moderator

[Message index]

		Adding arrays By: Dete van Eeden on Fri, 17 July 2015 00:38
		Re: Adding arrays By: Nikola on Fri, 17 July 2015 02:26
		Re: Adding arrays By: Dete van Eeden on Fri, 17 July 2015 09:42
		Re: Adding arrays By: David Fanning on Fri, 17 July 2015 11:26
		Re: Adding arrays By: David Fanning on Fri, 17 July 2015 11:36
		Re: Adding arrays By: Dete van Eeden on Sun, 19 July 2015 05:34
		Re: Adding arrays By: dete.liebenberg on Mon, 20 July 2015 00:34

Previous Topic:	creating arrays in loops
Next Topic:	Creating KML error

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 13:35:45 PDT 2025

Total time taken to generate the page: 0.00342 seconds